152401520 has 40 divisors (see below), whose sum is σ = 363917184. Its totient is φ = 59311872.

The previous prime is 152401517. The next prime is 152401531. The reversal of 152401520 is 25104251.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 152401492 and 152401501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22784 + ... + 28703.

Almost surely, 2^152401520 is an apocalyptic number.

152401520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152401520 is an abundant number, since it is smaller than the sum of its proper divisors (211515664).

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

152401520 is a wasteful number, since it uses less digits than its factorization.

152401520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51537 (or 51531 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 152401520 is about 12345.1010526443. The cubic root of 152401520 is about 534.1498361486.

Adding to 152401520 its reverse (25104251), we get a palindrome (177505771).

The spelling of 152401520 in words is "one hundred fifty-two million, four hundred one thousand, five hundred twenty".