145734344 has 16 divisors (see below), whose sum is σ = 312288000. Its totient is φ = 62457552.

The previous prime is 145734341. The next prime is 145734361. The reversal of 145734344 is 443437541.

It is a super-2 number, since 2×145734344² = 42476998042220672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145734341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301144 + ... + 1301255.

It is an arithmetic number, because the mean of its divisors is an integer number (19518000).

Almost surely, 2^145734344 is an apocalyptic number.

145734344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145734344 is an abundant number, since it is smaller than the sum of its proper divisors (166553656).

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

145734344 is a wasteful number, since it uses less digits than its factorization.

145734344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602412 (or 2602408 counting only the distinct ones).

The product of its digits is 80640, while the sum is 35.

The square root of 145734344 is about 12072.0480449673. The cubic root of 145734344 is about 526.2441771858.

The spelling of 145734344 in words is "one hundred forty-five million, seven hundred thirty-four thousand, three hundred forty-four".