152024381 has 2 divisors, whose sum is σ = 152024382. Its totient is φ = 152024380.

The previous prime is 152024333. The next prime is 152024399. The reversal of 152024381 is 183420251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145419481 + 6604900 = 12059^2 + 2570^2 .

It is a cyclic number.

It is not a de Polignac number, because 152024381 - 2²² = 147830077 is a prime.

It is a super-2 number, since 2×152024381² = 46222824836866322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 152024381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152024311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76012190 + 76012191.

It is an arithmetic number, because the mean of its divisors is an integer number (76012191).

Almost surely, 2^152024381 is an apocalyptic number.

It is an amenable number.

152024381 is a deficient number, since it is larger than the sum of its proper divisors (1).

152024381 is an equidigital number, since it uses as much as digits as its factorization.

152024381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 152024381 is about 12329.8167464079. The cubic root of 152024381 is about 533.7088625612.

The spelling of 152024381 in words is "one hundred fifty-two million, twenty-four thousand, three hundred eighty-one".