152238744 has 128 divisors (see below), whose sum is σ = 488332800. Its totient is φ = 43044480.

The previous prime is 152238743. The next prime is 152238761. The reversal of 152238744 is 447832251.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 152238699 and 152238708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152238743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161314 + ... + 162254.

It is an arithmetic number, because the mean of its divisors is an integer number (3815100).

Almost surely, 2^152238744 is an apocalyptic number.

152238744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152238744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244166400).

152238744 is an abundant number, since it is smaller than the sum of its proper divisors (336094056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152238744 is a wasteful number, since it uses less digits than its factorization.

152238744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1060 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 152238744 is about 12338.5065546848. The cubic root of 152238744 is about 533.9595980038.

The spelling of 152238744 in words is "one hundred fifty-two million, two hundred thirty-eight thousand, seven hundred forty-four".