146057640 has 32 divisors (see below), whose sum is σ = 438173280. Its totient is φ = 38948672.

The previous prime is 146057609. The next prime is 146057651. The reversal of 146057640 is 46750641.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 608454 + ... + 608693.

It is an arithmetic number, because the mean of its divisors is an integer number (13692915).

Almost surely, 2^146057640 is an apocalyptic number.

146057640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146057640 is an abundant number, since it is smaller than the sum of its proper divisors (292115640).

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

146057640 is a wasteful number, since it uses less digits than its factorization.

146057640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217161 (or 1217157 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 146057640 is about 12085.4308983999. The cubic root of 146057640 is about 526.6330285269.

The spelling of 146057640 in words is "one hundred forty-six million, fifty-seven thousand, six hundred forty".