145551652 has 12 divisors (see below), whose sum is σ = 256721920. Its totient is φ = 72202536.

The previous prime is 145551649. The next prime is 145551691. The reversal of 145551652 is 256155541.

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, 142752 + ... + 143767.

Almost surely, 2^145551652 is an apocalyptic number.

It is an amenable number.

145551652 is a deficient number, since it is larger than the sum of its proper divisors (111170268).

145551652 is a wasteful number, since it uses less digits than its factorization.

145551652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286650 (or 286648 counting only the distinct ones).

The product of its digits is 30000, while the sum is 34.

The square root of 145551652 is about 12064.4789361166. The cubic root of 145551652 is about 526.0241860237.

The spelling of 145551652 in words is "one hundred forty-five million, five hundred fifty-one thousand, six hundred fifty-two".