152151691 has 2 divisors, whose sum is σ = 152151692. Its totient is φ = 152151690.

The previous prime is 152151679. The next prime is 152151721. The reversal of 152151691 is 196151251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152151691 - 2⁹ = 152151179 is a prime.

It is not a weakly prime, because it can be changed into another prime (152151631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76075845 + 76075846.

It is an arithmetic number, because the mean of its divisors is an integer number (76075846).

Almost surely, 2^152151691 is an apocalyptic number.

152151691 is a deficient number, since it is larger than the sum of its proper divisors (1).

152151691 is an equidigital number, since it uses as much as digits as its factorization.

152151691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 31.

The square root of 152151691 is about 12334.9783542575. The cubic root of 152151691 is about 533.8578025247.

The spelling of 152151691 in words is "one hundred fifty-two million, one hundred fifty-one thousand, six hundred ninety-one".