145653452 has 12 divisors (see below), whose sum is σ = 291306960. Its totient is φ = 62422896.

The previous prime is 145653437. The next prime is 145653461. The reversal of 145653452 is 254356541.

145653452 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 2600927 + ... + 2600982.

It is an arithmetic number, because the mean of its divisors is an integer number (24275580).

Almost surely, 2^145653452 is an apocalyptic number.

It is an amenable number.

145653452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145653452 is a wasteful number, since it uses less digits than its factorization.

145653452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201920 (or 5201918 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 145653452 is about 12068.6971956380. The cubic root of 145653452 is about 526.1467926311.

The spelling of 145653452 in words is "one hundred forty-five million, six hundred fifty-three thousand, four hundred fifty-two".