152400287 has 4 divisors (see below), whose sum is σ = 164123400. Its totient is φ = 140677176.

The previous prime is 152400251. The next prime is 152400317. The reversal of 152400287 is 782004251.

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

It is a cyclic number.

It is not a de Polignac number, because 152400287 - 2¹² = 152396191 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 (152400487) 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, 5861537 + ... + 5861562.

It is an arithmetic number, because the mean of its divisors is an integer number (41030850).

Almost surely, 2^152400287 is an apocalyptic number.

152400287 is a deficient number, since it is larger than the sum of its proper divisors (11723113).

152400287 is a wasteful number, since it uses less digits than its factorization.

152400287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11723112.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 152400287 is about 12345.0511137054. The cubic root of 152400287 is about 534.1483956369.

The spelling of 152400287 in words is "one hundred fifty-two million, four hundred thousand, two hundred eighty-seven".