145442451524 has 24 divisors (see below), whose sum is σ = 258797107800. Its totient is φ = 71501345280.

The previous prime is 145442451503. The next prime is 145442451541. The reversal of 145442451524 is 425154244541.

145442451524 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11948676100 + 133493775424 = 109310^2 + 365368^2 .

It is a super-2 number, since 2×145442451524² (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, 522362 + ... + 750830.

It is an arithmetic number, because the mean of its divisors is an integer number (10783212825).

Almost surely, 2^145442451524 is an apocalyptic number.

It is an amenable number.

145442451524 is a deficient number, since it is larger than the sum of its proper divisors (113354656276).

145442451524 is a wasteful number, since it uses less digits than its factorization.

145442451524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231143 (or 231141 counting only the distinct ones).

The product of its digits is 512000, while the sum is 41.

The spelling of 145442451524 in words is "one hundred forty-five billion, four hundred forty-two million, four hundred fifty-one thousand, five hundred twenty-four".