145235232224552 has 16 divisors (see below), whose sum is σ = 272326112728800. Its totient is φ = 72614935496880.

The previous prime is 145235232224521. The next prime is 145235232224587. The reversal of 145235232224552 is 255422232532541.

It is a junction number, because it is equal to n+sod(n) for n = 145235232224497 and 145235232224506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334846652 + ... + 335280107.

It is an arithmetic number, because the mean of its divisors is an integer number (17020382045550).

Almost surely, 2^{145235232224552} is an apocalyptic number.

It is an amenable number.

145235232224552 is a deficient number, since it is larger than the sum of its proper divisors (127090880504248).

145235232224552 is a wasteful number, since it uses less digits than its factorization.

145235232224552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670153856 (or 670153852 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 47.

The spelling of 145235232224552 in words is "one hundred forty-five trillion, two hundred thirty-five billion, two hundred thirty-two million, two hundred twenty-four thousand, five hundred fifty-two".