145523434554 has 24 divisors (see below), whose sum is σ = 317416893300. Its totient is φ = 48182254848.

The previous prime is 145523434523. The next prime is 145523434591. The reversal of 145523434554 is 455434325541.

145523434554 is a `hidden beast` number, since 1 + 4 + 5 + 52 + 3 + 43 + 4 + 554 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 109512679329 + 36010755225 = 330927^2 + 189765^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27126967 + ... + 27132330.

Almost surely, 2^145523434554 is an apocalyptic number.

145523434554 is an abundant number, since it is smaller than the sum of its proper divisors (171893458746).

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

145523434554 is a wasteful number, since it uses less digits than its factorization.

145523434554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54259454 (or 54259451 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 45.

The spelling of 145523434554 in words is "one hundred forty-five billion, five hundred twenty-three million, four hundred thirty-four thousand, five hundred fifty-four".