152445917 has 4 divisors (see below), whose sum is σ = 164172540. Its totient is φ = 140719296.

The previous prime is 152445907. The next prime is 152445947. The reversal of 152445917 is 719544251.

152445917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23872996 + 128572921 = 4886^2 + 11339^2 .

It is a cyclic number.

It is not a de Polignac number, because 152445917 - 2¹⁶ = 152380381 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 (152445907) 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, 5863292 + ... + 5863317.

It is an arithmetic number, because the mean of its divisors is an integer number (41043135).

Almost surely, 2^152445917 is an apocalyptic number.

It is an amenable number.

152445917 is a deficient number, since it is larger than the sum of its proper divisors (11726623).

152445917 is a wasteful number, since it uses less digits than its factorization.

152445917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11726622.

The product of its digits is 50400, while the sum is 38.

The square root of 152445917 is about 12346.8990843855. The cubic root of 152445917 is about 534.2016999091.

The spelling of 152445917 in words is "one hundred fifty-two million, four hundred forty-five thousand, nine hundred seventeen".