145878964 has 24 divisors (see below), whose sum is σ = 318282048. Its totient is φ = 56835840.

The previous prime is 145878937. The next prime is 145878973. The reversal of 145878964 is 469878541.

It is a zygodrome in base 9.

It is a congruent number.

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, 236509 + ... + 237124.

It is an arithmetic number, because the mean of its divisors is an integer number (13261752).

Almost surely, 2^145878964 is an apocalyptic number.

145878964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145878964 is an abundant number, since it is smaller than the sum of its proper divisors (172403084).

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

145878964 is a wasteful number, since it uses less digits than its factorization.

145878964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473655 (or 473653 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The square root of 145878964 is about 12078.0364298176. The cubic root of 145878964 is about 526.4181930702.

The spelling of 145878964 in words is "one hundred forty-five million, eight hundred seventy-eight thousand, nine hundred sixty-four".