146451444 has 24 divisors (see below), whose sum is σ = 343613088. Its totient is φ = 48546720.

The previous prime is 146451391. The next prime is 146451457. The reversal of 146451444 is 444154641.

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, 31542 + ... + 35885.

It is an arithmetic number, because the mean of its divisors is an integer number (14317212).

Almost surely, 2^146451444 is an apocalyptic number.

It is an amenable number.

146451444 is an abundant number, since it is smaller than the sum of its proper divisors (197161644).

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

146451444 is a wasteful number, since it uses less digits than its factorization.

146451444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67615 (or 67613 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 146451444 is about 12101.7124408077. The cubic root of 146451444 is about 527.1059105155.

The spelling of 146451444 in words is "one hundred forty-six million, four hundred fifty-one thousand, four hundred forty-four".