145507480 has 32 divisors (see below), whose sum is σ = 328633200. Its totient is φ = 57982336.

The previous prime is 145507477. The next prime is 145507487. The reversal of 145507480 is 84705541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145507487) 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, 3999 + ... + 17521.

Almost surely, 2^145507480 is an apocalyptic number.

145507480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145507480 is an abundant number, since it is smaller than the sum of its proper divisors (183125720).

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

145507480 is a wasteful number, since it uses less digits than its factorization.

145507480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13803 (or 13799 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 145507480 is about 12062.6481338054. The cubic root of 145507480 is about 525.9709680517.

The spelling of 145507480 in words is "one hundred forty-five million, five hundred seven thousand, four hundred eighty".