155773038 has 16 divisors (see below), whose sum is σ = 311691600. Its totient is φ = 51900096.

The previous prime is 155773031. The next prime is 155773067. The reversal of 155773038 is 830377551.

It is a junction number, because it is equal to n+sod(n) for n = 155772987 and 155773005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155773031) 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 7 ways as a sum of consecutive naturals, for example, 11988 + ... + 21336.

It is an arithmetic number, because the mean of its divisors is an integer number (19480725).

Almost surely, 2^155773038 is an apocalyptic number.

155773038 is an abundant number, since it is smaller than the sum of its proper divisors (155918562).

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

155773038 is a wasteful number, since it uses less digits than its factorization.

155773038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12131.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 155773038 is about 12480.9069381996. The cubic root of 155773038 is about 538.0600693927.

The spelling of 155773038 in words is "one hundred fifty-five million, seven hundred seventy-three thousand, thirty-eight".