155622145434 has 32 divisors (see below), whose sum is σ = 355748754816. Its totient is φ = 44458345920.

The previous prime is 155622145397. The next prime is 155622145457. The reversal of 155622145434 is 434541226551.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163084 + ... + 581240.

It is an arithmetic number, because the mean of its divisors is an integer number (11117148588).

Almost surely, 2^155622145434 is an apocalyptic number.

155622145434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155622145434 is an abundant number, since it is smaller than the sum of its proper divisors (200126609382).

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

155622145434 is a wasteful number, since it uses less digits than its factorization.

155622145434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427030.

The product of its digits is 576000, while the sum is 42.

The spelling of 155622145434 in words is "one hundred fifty-five billion, six hundred twenty-two million, one hundred forty-five thousand, four hundred thirty-four".