152452421 has 8 divisors (see below), whose sum is σ = 166947264. Its totient is φ = 138063520.

The previous prime is 152452411. The next prime is 152452439. The reversal of 152452421 is 124254251.

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 152452421 - 2⁶ = 152452357 is a prime.

It is a super-2 number, since 2×152452421² = 46483481337522482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152452411) 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, 23456 + ... + 29241.

It is an arithmetic number, because the mean of its divisors is an integer number (20868408).

Almost surely, 2^152452421 is an apocalyptic number.

152452421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152452421 is a deficient number, since it is larger than the sum of its proper divisors (14494843).

152452421 is a wasteful number, since it uses less digits than its factorization.

152452421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52971.

The product of its digits is 3200, while the sum is 26.

The square root of 152452421 is about 12347.1624675469. The cubic root of 152452421 is about 534.2092969169.

The spelling of 152452421 in words is "one hundred fifty-two million, four hundred fifty-two thousand, four hundred twenty-one".