146118640 has 40 divisors (see below), whose sum is σ = 340232688. Its totient is φ = 58360320.

The previous prime is 146118613. The next prime is 146118641. The reversal of 146118640 is 46811641.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146118641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94675 + ... + 96205.

Almost surely, 2^146118640 is an apocalyptic number.

146118640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146118640 is an abundant number, since it is smaller than the sum of its proper divisors (194114048).

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

146118640 is a wasteful number, since it uses less digits than its factorization.

146118640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 146118640 is about 12087.9543347913. The cubic root of 146118640 is about 526.7063332477.

The spelling of 146118640 in words is "one hundred forty-six million, one hundred eighteen thousand, six hundred forty".