154254131 has 2 divisors, whose sum is σ = 154254132. Its totient is φ = 154254130.

The previous prime is 154254127. The next prime is 154254151. The reversal of 154254131 is 131452451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154254131 - 2² = 154254127 is a prime.

It is a super-2 number, since 2×154254131² = 47588673861130322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 154254131.

It is not a weakly prime, because it can be changed into another prime (154254151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77127065 + 77127066.

It is an arithmetic number, because the mean of its divisors is an integer number (77127066).

Almost surely, 2^154254131 is an apocalyptic number.

154254131 is a deficient number, since it is larger than the sum of its proper divisors (1).

154254131 is an equidigital number, since it uses as much as digits as its factorization.

154254131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 154254131 is about 12419.9086550586. The cubic root of 154254131 is about 536.3055209909.

The spelling of 154254131 in words is "one hundred fifty-four million, two hundred fifty-four thousand, one hundred thirty-one".