145477660 has 24 divisors (see below), whose sum is σ = 306131616. Its totient is φ = 58071360.

The previous prime is 145477573. The next prime is 145477679. The reversal of 145477660 is 66774541.

It is a congruent number.

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, 2830 + ... + 17290.

It is an arithmetic number, because the mean of its divisors is an integer number (12755484).

Almost surely, 2^145477660 is an apocalyptic number.

145477660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145477660 is an abundant number, since it is smaller than the sum of its proper divisors (160653956).

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

145477660 is a wasteful number, since it uses less digits than its factorization.

145477660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14973 (or 14971 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 145477660 is about 12061.4120234739. The cubic root of 145477660 is about 525.9350351319.

The spelling of 145477660 in words is "one hundred forty-five million, four hundred seventy-seven thousand, six hundred sixty".