146597440 has 56 divisors (see below), whose sum is σ = 380829312. Its totient is φ = 53306880.

The previous prime is 146597431. The next prime is 146597459. The reversal of 146597440 is 44795641.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 146597393 and 146597402.

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, 17304 + ... + 24343.

Almost surely, 2^146597440 is an apocalyptic number.

146597440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146597440 is an abundant number, since it is smaller than the sum of its proper divisors (234231872).

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

146597440 is a wasteful number, since it uses less digits than its factorization.

146597440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41675 (or 41665 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 146597440 is about 12107.7429771201. The cubic root of 146597440 is about 527.2810079051.

The spelling of 146597440 in words is "one hundred forty-six million, five hundred ninety-seven thousand, four hundred forty".