152872691 has 4 divisors (see below), whose sum is σ = 154386384. Its totient is φ = 151359000.

The previous prime is 152872673. The next prime is 152872729. The reversal of 152872691 is 196278251.

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 152872691 - 2¹⁴ = 152856307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152812691) 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, 756695 + ... + 756896.

It is an arithmetic number, because the mean of its divisors is an integer number (38596596).

Almost surely, 2^152872691 is an apocalyptic number.

152872691 is a deficient number, since it is larger than the sum of its proper divisors (1513693).

152872691 is a wasteful number, since it uses less digits than its factorization.

152872691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513692.

The product of its digits is 60480, while the sum is 41.

The square root of 152872691 is about 12364.1696445819. The cubic root of 152872691 is about 534.6997365980.

The spelling of 152872691 in words is "one hundred fifty-two million, eight hundred seventy-two thousand, six hundred ninety-one".