151712640 has 96 divisors (see below), whose sum is σ = 523902600. Its totient is φ = 40455168.

The previous prime is 151712611. The next prime is 151712651. The reversal of 151712640 is 46217151.

It is a happy number.

151712640 is a `hidden beast` number, since 1 + 5 + 1 + 7 + 12 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7410 + ... + 18929.

Almost surely, 2^151712640 is an apocalyptic number.

151712640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151712640 is an abundant number, since it is smaller than the sum of its proper divisors (372189960).

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

151712640 is a wasteful number, since it uses less digits than its factorization.

151712640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26364 (or 26349 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 151712640 is about 12317.1685057890. The cubic root of 151712640 is about 533.3438053499.

Adding to 151712640 its reverse (46217151), we get a palindrome (197929791).

The spelling of 151712640 in words is "one hundred fifty-one million, seven hundred twelve thousand, six hundred forty".