152994891 has 16 divisors (see below), whose sum is σ = 233342208. Its totient is φ = 87348000.

The previous prime is 152994871. The next prime is 152994911. The reversal of 152994891 is 198499251.

It is an interprime number because it is at equal distance from previous prime (152994871) and next prime (152994911).

It is not a de Polignac number, because 152994891 - 2¹³ = 152986699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152994891.

It is not an unprimeable number, because it can be changed into a prime (152994811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27961 + ... + 32981.

It is an arithmetic number, because the mean of its divisors is an integer number (14583888).

Almost surely, 2^152994891 is an apocalyptic number.

152994891 is a deficient number, since it is larger than the sum of its proper divisors (80347317).

152994891 is a wasteful number, since it uses less digits than its factorization.

152994891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482.

The product of its digits is 233280, while the sum is 48.

The square root of 152994891 is about 12369.1103560442. The cubic root of 152994891 is about 534.8421708135.

The spelling of 152994891 in words is "one hundred fifty-two million, nine hundred ninety-four thousand, eight hundred ninety-one".