154156157 has 2 divisors, whose sum is σ = 154156158. Its totient is φ = 154156156.

The previous prime is 154156147. The next prime is 154156181. The reversal of 154156157 is 751651451.

154156157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134699236 + 19456921 = 11606^2 + 4411^2 .

It is a cyclic number.

It is not a de Polignac number, because 154156157 - 2²² = 149961853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154156117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77078078 + 77078079.

It is an arithmetic number, because the mean of its divisors is an integer number (77078079).

Almost surely, 2^154156157 is an apocalyptic number.

It is an amenable number.

154156157 is a deficient number, since it is larger than the sum of its proper divisors (1).

154156157 is an equidigital number, since it uses as much as digits as its factorization.

154156157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21000, while the sum is 35.

The square root of 154156157 is about 12415.9637966611. The cubic root of 154156157 is about 536.1919527187.

The spelling of 154156157 in words is "one hundred fifty-four million, one hundred fifty-six thousand, one hundred fifty-seven".