145252464 has 60 divisors (see below), whose sum is σ = 436505544. Its totient is φ = 41500032.

The previous prime is 145252447. The next prime is 145252483. The reversal of 145252464 is 464252541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28527 + ... + 33230.

Almost surely, 2^145252464 is an apocalyptic number.

145252464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145252464 is an abundant number, since it is smaller than the sum of its proper divisors (291253080).

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

145252464 is a wasteful number, since it uses less digits than its factorization.

145252464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61782 (or 61769 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 145252464 is about 12052.0730167055. The cubic root of 145252464 is about 525.6635166226.

The spelling of 145252464 in words is "one hundred forty-five million, two hundred fifty-two thousand, four hundred sixty-four".