145708780 has 24 divisors (see below), whose sum is σ = 349701408. Its totient is φ = 49957248.

The previous prime is 145708769. The next prime is 145708831. The reversal of 145708780 is 87807541.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 520249 + ... + 520528.

It is an arithmetic number, because the mean of its divisors is an integer number (14570892).

Almost surely, 2^145708780 is an apocalyptic number.

145708780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145708780 is an abundant number, since it is smaller than the sum of its proper divisors (203992628).

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

145708780 is a wasteful number, since it uses less digits than its factorization.

145708780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040793 (or 1040791 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 145708780 is about 12070.9891889604. The cubic root of 145708780 is about 526.2134050002.

The spelling of 145708780 in words is "one hundred forty-five million, seven hundred eight thousand, seven hundred eighty".