145561264 has 10 divisors (see below), whose sum is σ = 282024980. Its totient is φ = 72780624.

The previous prime is 145561231. The next prime is 145561279. The reversal of 145561264 is 462165541.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4548774 + ... + 4548805.

It is an arithmetic number, because the mean of its divisors is an integer number (28202498).

Almost surely, 2^145561264 is an apocalyptic number.

It is an amenable number.

145561264 is a deficient number, since it is larger than the sum of its proper divisors (136463716).

145561264 is an equidigital number, since it uses as much as digits as its factorization.

145561264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9097587 (or 9097581 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 145561264 is about 12064.8772890569. The cubic root of 145561264 is about 526.0357650362.

The spelling of 145561264 in words is "one hundred forty-five million, five hundred sixty-one thousand, two hundred sixty-four".