152645123 has 4 divisors (see below), whose sum is σ = 152671848. Its totient is φ = 152618400.

The previous prime is 152645111. The next prime is 152645131. The reversal of 152645123 is 321546251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321546251 = 13 ⋅24734327.

It is a cyclic number.

It is not a de Polignac number, because 152645123 - 2¹⁰ = 152644099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152645153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953 + ... + 17498.

It is an arithmetic number, because the mean of its divisors is an integer number (38167962).

Almost surely, 2^152645123 is an apocalyptic number.

152645123 is a deficient number, since it is larger than the sum of its proper divisors (26725).

152645123 is an equidigital number, since it uses as much as digits as its factorization.

152645123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26724.

The product of its digits is 7200, while the sum is 29.

The square root of 152645123 is about 12354.9634965062. The cubic root of 152645123 is about 534.4342848307.

The spelling of 152645123 in words is "one hundred fifty-two million, six hundred forty-five thousand, one hundred twenty-three".