155632838 has 16 divisors (see below), whose sum is σ = 249768240. Its totient is φ = 72511200.

The previous prime is 155632837. The next prime is 155632853. The reversal of 155632838 is 838236551.

It is a junction number, because it is equal to n+sod(n) for n = 155632795 and 155632804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155632837) 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, 31253 + ... + 35888.

It is an arithmetic number, because the mean of its divisors is an integer number (15610515).

Almost surely, 2^155632838 is an apocalyptic number.

155632838 is a deficient number, since it is larger than the sum of its proper divisors (94135402).

155632838 is a wasteful number, since it uses less digits than its factorization.

155632838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67223.

The product of its digits is 172800, while the sum is 41.

The square root of 155632838 is about 12475.2890948467. The cubic root of 155632838 is about 537.8985980078.

The spelling of 155632838 in words is "one hundred fifty-five million, six hundred thirty-two thousand, eight hundred thirty-eight".