145132552 has 32 divisors (see below), whose sum is σ = 275973120. Its totient is φ = 71547840.

The previous prime is 145132543. The next prime is 145132573. The reversal of 145132552 is 255231541.

It is a self number, because there is not a number n which added to its sum of digits gives 145132552.

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, 214038 + ... + 214714.

It is an arithmetic number, because the mean of its divisors is an integer number (8624160).

Almost surely, 2^145132552 is an apocalyptic number.

It is an amenable number.

145132552 is a deficient number, since it is larger than the sum of its proper divisors (130840568).

145132552 is a wasteful number, since it uses less digits than its factorization.

145132552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1017 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 145132552 is about 12047.0972437347. The cubic root of 145132552 is about 525.5188243735.

The spelling of 145132552 in words is "one hundred forty-five million, one hundred thirty-two thousand, five hundred fifty-two".