152685381 has 8 divisors (see below), whose sum is σ = 215555904. Its totient is φ = 95802560.

The previous prime is 152685373. The next prime is 152685383. The reversal of 152685381 is 183586251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152685381 - 2³ = 152685373 is a prime.

It is a super-2 number, since 2×152685381² = 46625651142230322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152685383) by changing a digit.

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, 1496865 + ... + 1496966.

It is an arithmetic number, because the mean of its divisors is an integer number (26944488).

Almost surely, 2^152685381 is an apocalyptic number.

It is an amenable number.

152685381 is a deficient number, since it is larger than the sum of its proper divisors (62870523).

152685381 is a wasteful number, since it uses less digits than its factorization.

152685381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993851.

The product of its digits is 57600, while the sum is 39.

The square root of 152685381 is about 12356.5926128525. The cubic root of 152685381 is about 534.4812638713.

The spelling of 152685381 in words is "one hundred fifty-two million, six hundred eighty-five thousand, three hundred eighty-one".