155880038 has 16 divisors (see below), whose sum is σ = 254267424. Its totient is φ = 71372160.

The previous prime is 155880037. The next prime is 155880041. The reversal of 155880038 is 830088551.

It is a junction number, because it is equal to n+sod(n) for n = 155879983 and 155880010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155880037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60698 + ... + 63213.

It is an arithmetic number, because the mean of its divisors is an integer number (15891714).

Almost surely, 2^155880038 is an apocalyptic number.

155880038 is a deficient number, since it is larger than the sum of its proper divisors (98387386).

155880038 is a wasteful number, since it uses less digits than its factorization.

155880038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123967.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 155880038 is about 12485.1927498137. The cubic root of 155880038 is about 538.1832384407.

The spelling of 155880038 in words is "one hundred fifty-five million, eight hundred eighty thousand, thirty-eight".