152423551 has 4 divisors (see below), whose sum is σ = 174198352. Its totient is φ = 130648752.

The previous prime is 152423521. The next prime is 152423561. The reversal of 152423551 is 155324251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155324251 = 3877 ⋅40063.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152423551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152423501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10887390 + ... + 10887403.

It is an arithmetic number, because the mean of its divisors is an integer number (43549588).

Almost surely, 2^152423551 is an apocalyptic number.

152423551 is a deficient number, since it is larger than the sum of its proper divisors (21774801).

152423551 is an equidigital number, since it uses as much as digits as its factorization.

152423551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21774800.

The product of its digits is 6000, while the sum is 28.

The square root of 152423551 is about 12345.9933176719. The cubic root of 152423551 is about 534.1755736172.

The spelling of 152423551 in words is "one hundred fifty-two million, four hundred twenty-three thousand, five hundred fifty-one".