146864458 has 16 divisors (see below), whose sum is σ = 237776616. Its totient is φ = 67631040.

The previous prime is 146864447. The next prime is 146864461. The reversal of 146864458 is 854468641.

It can be written as a sum of positive squares in 4 ways, for example, as 87928129 + 58936329 = 9377^2 + 7677^2 .

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, 5860 + ... + 18112.

Almost surely, 2^146864458 is an apocalyptic number.

146864458 is a deficient number, since it is larger than the sum of its proper divisors (90912158).

146864458 is a wasteful number, since it uses less digits than its factorization.

146864458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12729.

The product of its digits is 737280, while the sum is 46.

The square root of 146864458 is about 12118.7647060251. The cubic root of 146864458 is about 527.6009501096.

The spelling of 146864458 in words is "one hundred forty-six million, eight hundred sixty-four thousand, four hundred fifty-eight".