146445456 has 20 divisors (see below), whose sum is σ = 378317552. Its totient is φ = 48815136.

The previous prime is 146445433. The next prime is 146445479. The reversal of 146445456 is 654544641.

It is an interprime number because it is at equal distance from previous prime (146445433) and next prime (146445479).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525426 + ... + 1525521.

Almost surely, 2^146445456 is an apocalyptic number.

146445456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

146445456 is an abundant number, since it is smaller than the sum of its proper divisors (231872096).

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

146445456 is a wasteful number, since it uses less digits than its factorization.

146445456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050958 (or 3050952 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 146445456 is about 12101.4650352757. The cubic root of 146445456 is about 527.0987264434.

It can be divided in two parts, 14644 and 5456, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 146445456 in words is "one hundred forty-six million, four hundred forty-five thousand, four hundred fifty-six".