152545013 has 4 divisors (see below), whose sum is σ = 154117740. Its totient is φ = 150972288.

The previous prime is 152545009. The next prime is 152545049. The reversal of 152545013 is 310545251.

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 63091249 + 89453764 = 7943^2 + 9458^2 .

It is a cyclic number.

It is not a de Polignac number, because 152545013 - 2² = 152545009 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 (152545093) 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, 786218 + ... + 786411.

It is an arithmetic number, because the mean of its divisors is an integer number (38529435).

Almost surely, 2^152545013 is an apocalyptic number.

It is an amenable number.

152545013 is a deficient number, since it is larger than the sum of its proper divisors (1572727).

152545013 is an equidigital number, since it uses as much as digits as its factorization.

152545013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572726.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 152545013 is about 12350.9114238586. The cubic root of 152545013 is about 534.3174257271.

The spelling of 152545013 in words is "one hundred fifty-two million, five hundred forty-five thousand, thirteen".