145578880 has 32 divisors (see below), whose sum is σ = 348026040. Its totient is φ = 58231296.

The previous prime is 145578877. The next prime is 145578889. The reversal of 145578880 is 88875541.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 145578880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145578889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113094 + ... + 114373.

Almost surely, 2^145578880 is an apocalyptic number.

145578880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145578880 is an abundant number, since it is smaller than the sum of its proper divisors (202447160).

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

145578880 is an equidigital number, since it uses as much as digits as its factorization.

145578880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227486 (or 227474 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 46.

The square root of 145578880 is about 12065.6073199819. The cubic root of 145578880 is about 526.0569846748.

The spelling of 145578880 in words is "one hundred forty-five million, five hundred seventy-eight thousand, eight hundred eighty".