155453358238 has 16 divisors (see below), whose sum is σ = 237976179120. Its totient is φ = 76137342400.

The previous prime is 155453358227. The next prime is 155453358251. The reversal of 155453358238 is 832853354551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2310973 + ... + 2377288.

It is an arithmetic number, because the mean of its divisors is an integer number (14873511195).

Almost surely, 2^155453358238 is an apocalyptic number.

155453358238 is a deficient number, since it is larger than the sum of its proper divisors (82522820882).

155453358238 is a wasteful number, since it uses less digits than its factorization.

155453358238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688603.

The product of its digits is 8640000, while the sum is 52.

The spelling of 155453358238 in words is "one hundred fifty-five billion, four hundred fifty-three million, three hundred fifty-eight thousand, two hundred thirty-eight".