145748456 has 32 divisors (see below), whose sum is σ = 313285440. Its totient is φ = 62270208.

The previous prime is 145748441. The next prime is 145748479. The reversal of 145748456 is 654847541.

145748456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145748456² = 42485224852767872, which 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, 15011 + ... + 22733.

It is an arithmetic number, because the mean of its divisors is an integer number (9790170).

Almost surely, 2^145748456 is an apocalyptic number.

It is an amenable number.

145748456 is an abundant number, since it is smaller than the sum of its proper divisors (167536984).

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

145748456 is a wasteful number, since it uses less digits than its factorization.

145748456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8073 (or 8069 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 145748456 is about 12072.6325215340. The cubic root of 145748456 is about 526.2611626996.

The spelling of 145748456 in words is "one hundred forty-five million, seven hundred forty-eight thousand, four hundred fifty-six".