145178680 has 32 divisors (see below), whose sum is σ = 327000240. Its totient is φ = 58009600.

The previous prime is 145178647. The next prime is 145178681. The reversal of 145178680 is 86871541.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145178681) 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, 62907 + ... + 65173.

Almost surely, 2^145178680 is an apocalyptic number.

145178680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145178680 is an abundant number, since it is smaller than the sum of its proper divisors (181821560).

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

145178680 is a wasteful number, since it uses less digits than its factorization.

145178680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879 (or 3875 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 145178680 is about 12049.0115777187. The cubic root of 145178680 is about 525.5744943208.

The spelling of 145178680 in words is "one hundred forty-five million, one hundred seventy-eight thousand, six hundred eighty".