145272264 has 16 divisors (see below), whose sum is σ = 363180720. Its totient is φ = 48424080.

The previous prime is 145272251. The next prime is 145272277. The reversal of 145272264 is 462272541.

It is an interprime number because it is at equal distance from previous prime (145272251) and next prime (145272277).

It is a super-2 number, since 2×145272264² = 42208061375371392, which contains 22 as substring.

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, 3026482 + ... + 3026529.

It is an arithmetic number, because the mean of its divisors is an integer number (22698795).

Almost surely, 2^145272264 is an apocalyptic number.

It is an amenable number.

145272264 is an abundant number, since it is smaller than the sum of its proper divisors (217908456).

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

145272264 is a wasteful number, since it uses less digits than its factorization.

145272264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6053020 (or 6053016 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 145272264 is about 12052.8944241622. The cubic root of 145272264 is about 525.6874007034.

The spelling of 145272264 in words is "one hundred forty-five million, two hundred seventy-two thousand, two hundred sixty-four".