145553152 has 36 divisors (see below), whose sum is σ = 291319056. Its totient is φ = 72581120.

The previous prime is 145553123. The next prime is 145553171. The reversal of 145553152 is 251355541.

It is a congruent number.

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, 163653 + ... + 164539.

It is an arithmetic number, because the mean of its divisors is an integer number (8092196).

Almost surely, 2^145553152 is an apocalyptic number.

It is an amenable number.

145553152 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

145553152 is an frugal number, since it uses more digits than its factorization.

145553152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544 (or 1530 counting only the distinct ones).

The product of its digits is 15000, while the sum is 31.

The square root of 145553152 is about 12064.5411019234. The cubic root of 145553152 is about 526.0259930193.

The spelling of 145553152 in words is "one hundred forty-five million, five hundred fifty-three thousand, one hundred fifty-two".