152507305 has 8 divisors (see below), whose sum is σ = 183092544. Its totient is φ = 121950000.

The previous prime is 152507297. The next prime is 152507309. The reversal of 152507305 is 503705251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 152507305 - 2³ = 152507297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152507309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7930 + ... + 19180.

It is an arithmetic number, because the mean of its divisors is an integer number (22886568).

Almost surely, 2^152507305 is an apocalyptic number.

It is an amenable number.

152507305 is a deficient number, since it is larger than the sum of its proper divisors (30585239).

152507305 is a wasteful number, since it uses less digits than its factorization.

152507305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13967.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 152507305 is about 12349.3848024912. The cubic root of 152507305 is about 534.2733956592.

The spelling of 152507305 in words is "one hundred fifty-two million, five hundred seven thousand, three hundred five".