154000631 has 2 divisors, whose sum is σ = 154000632. Its totient is φ = 154000630.

The previous prime is 154000597. The next prime is 154000657. The reversal of 154000631 is 136000451.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154000631 is a prime.

It is a super-2 number, since 2×154000631² = 47432388696796322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154000831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77000315 + 77000316.

It is an arithmetic number, because the mean of its divisors is an integer number (77000316).

Almost surely, 2^154000631 is an apocalyptic number.

154000631 is a deficient number, since it is larger than the sum of its proper divisors (1).

154000631 is an equidigital number, since it uses as much as digits as its factorization.

154000631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 154000631 is about 12409.6990696793. The cubic root of 154000631 is about 536.0115731796.

The spelling of 154000631 in words is "one hundred fifty-four million, six hundred thirty-one", and thus it is an aban number.