152545305 has 24 divisors (see below), whose sum is σ = 268281216. Its totient is φ = 73960480.

The previous prime is 152545303. The next prime is 152545321. The reversal of 152545305 is 503545251.

It is a happy number.

It is not a de Polignac number, because 152545305 - 2¹ = 152545303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152545303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40209 + ... + 43838.

It is an arithmetic number, because the mean of its divisors is an integer number (11178384).

Almost surely, 2^152545305 is an apocalyptic number.

152545305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152545305 is a deficient number, since it is larger than the sum of its proper divisors (115735911).

152545305 is a wasteful number, since it uses less digits than its factorization.

152545305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84077 (or 84066 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 152545305 is about 12350.9232448429. The cubic root of 152545305 is about 534.3177666551.

The spelling of 152545305 in words is "one hundred fifty-two million, five hundred forty-five thousand, three hundred five".