146561152 has 32 divisors (see below), whose sum is σ = 304678080. Its totient is φ = 70093056.

The previous prime is 146561143. The next prime is 146561167. The reversal of 146561152 is 251165641.

It is a tau number, because it is divible by the number of its divisors (32).

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, 21948 + ... + 27835.

It is an arithmetic number, because the mean of its divisors is an integer number (9521190).

Almost surely, 2^146561152 is an apocalyptic number.

It is an amenable number.

146561152 is an abundant number, since it is smaller than the sum of its proper divisors (158116928).

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

146561152 is an equidigital number, since it uses as much as digits as its factorization.

146561152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49820 (or 49808 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 146561152 is about 12106.2443391830. The cubic root of 146561152 is about 527.2374974768.

The spelling of 146561152 in words is "one hundred forty-six million, five hundred sixty-one thousand, one hundred fifty-two".