152115451 has 4 divisors (see below), whose sum is σ = 152370000. Its totient is φ = 151860904.

The previous prime is 152115449. The next prime is 152115479. The reversal of 152115451 is 154511251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152115451 - 2¹ = 152115449 is a prime.

It is a super-2 number, since 2×152115451² = 46278220865866802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152125451) 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 3 ways as a sum of consecutive naturals, for example, 126376 + ... + 127573.

It is an arithmetic number, because the mean of its divisors is an integer number (38092500).

Almost surely, 2^152115451 is an apocalyptic number.

152115451 is a deficient number, since it is larger than the sum of its proper divisors (254549).

152115451 is an equidigital number, since it uses as much as digits as its factorization.

152115451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254548.

The product of its digits is 1000, while the sum is 25.

The square root of 152115451 is about 12333.5092735198. The cubic root of 152115451 is about 533.8154138119.

The spelling of 152115451 in words is "one hundred fifty-two million, one hundred fifteen thousand, four hundred fifty-one".