46146978 has 24 divisors (see below), whose sum is σ = 100140300. Its totient is φ = 15358464.

The previous prime is 46146973. The next prime is 46146979. The reversal of 46146978 is 87964164.

It can be written as a sum of positive squares in 2 ways, for example, as 39350529 + 6796449 = 6273^2 + 2607^2 .

It is not an unprimeable number, because it can be changed into a prime (46146973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12978 + ... + 16146.

Almost surely, 2^46146978 is an apocalyptic number.

46146978 is an abundant number, since it is smaller than the sum of its proper divisors (53993322).

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

46146978 is a wasteful number, since it uses less digits than its factorization.

46146978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986 (or 3983 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 46146978 is about 6793.1567036246. The cubic root of 46146978 is about 358.6859967486.

The spelling of 46146978 in words is "forty-six million, one hundred forty-six thousand, nine hundred seventy-eight".