146161500 has 48 divisors (see below), whose sum is σ = 425626656. Its totient is φ = 38976000.

The previous prime is 146161489. The next prime is 146161501. The reversal of 146161500 is 5161641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146161501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47221 + ... + 50220.

It is an arithmetic number, because the mean of its divisors is an integer number (8867222).

Almost surely, 2^146161500 is an apocalyptic number.

146161500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146161500 is an abundant number, since it is smaller than the sum of its proper divisors (279465156).

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

146161500 is a wasteful number, since it uses less digits than its factorization.

146161500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97463 (or 97451 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 146161500 is about 12089.7270440651. The cubic root of 146161500 is about 526.7578266245.

The spelling of 146161500 in words is "one hundred forty-six million, one hundred sixty-one thousand, five hundred".