155022550434 has 16 divisors (see below), whose sum is σ = 344494556640. Its totient is φ = 51674183460.

The previous prime is 155022550429. The next prime is 155022550453. The reversal of 155022550434 is 434055220551.

155022550434 is a `hidden beast` number, since 1 + 5 + 50 + 22 + 550 + 4 + 34 = 666.

It is a super-2 number, since 2×155022550434² (a number of 23 digits) contains 22 as substring.

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, 1435393932 + ... + 1435394039.

It is an arithmetic number, because the mean of its divisors is an integer number (21530909790).

Almost surely, 2^155022550434 is an apocalyptic number.

155022550434 is an abundant number, since it is smaller than the sum of its proper divisors (189472006206).

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

155022550434 is a wasteful number, since it uses less digits than its factorization.

155022550434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870787982 (or 2870787976 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 155022550434 its reverse (434055220551), we get a palindrome (589077770985).

The spelling of 155022550434 in words is "one hundred fifty-five billion, twenty-two million, five hundred fifty thousand, four hundred thirty-four".