155094720 has 224 divisors, whose sum is σ = 566196480. Its totient is φ = 35573760.

The previous prime is 155094707. The next prime is 155094721. The reversal of 155094720 is 27490551.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (155094721) 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, 200254 + ... + 201026.

Almost surely, 2^155094720 is an apocalyptic number.

155094720 is a gapful number since it is divisible by the number (10) 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 155094720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283098240).

155094720 is an abundant number, since it is smaller than the sum of its proper divisors (411101760).

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

155094720 is a wasteful number, since it uses less digits than its factorization.

155094720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 155094720 is about 12453.7030637477. The cubic root of 155094720 is about 537.2779338663.

The spelling of 155094720 in words is "one hundred fifty-five million, ninety-four thousand, seven hundred twenty".