146991700 has 36 divisors (see below), whose sum is σ = 324214492. Its totient is φ = 57830400.

The previous prime is 146991679. The next prime is 146991703. The reversal of 146991700 is 7199641.

It can be written as a sum of positive squares in 6 ways, for example, as 11641744 + 135349956 = 3412^2 + 11634^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 146991700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146991703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5949 + ... + 18148.

Almost surely, 2^146991700 is an apocalyptic number.

146991700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146991700 is an abundant number, since it is smaller than the sum of its proper divisors (177222792).

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

146991700 is a wasteful number, since it uses less digits than its factorization.

146991700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24172 (or 24165 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 146991700 is about 12124.0133619194. The cubic root of 146991700 is about 527.7532756451.

The spelling of 146991700 in words is "one hundred forty-six million, nine hundred ninety-one thousand, seven hundred".