145977080 has 32 divisors (see below), whose sum is σ = 332413200. Its totient is φ = 57686016.

The previous prime is 145977077. The next prime is 145977089. The reversal of 145977080 is 80779541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145977089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18665 + ... + 25304.

Almost surely, 2^145977080 is an apocalyptic number.

145977080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145977080 is an abundant number, since it is smaller than the sum of its proper divisors (186436120).

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

145977080 is a wasteful number, since it uses less digits than its factorization.

145977080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44063 (or 44059 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 145977080 is about 12082.0975000204. The cubic root of 145977080 is about 526.5361869437.

The spelling of 145977080 in words is "one hundred forty-five million, nine hundred seventy-seven thousand, eighty".