154155451 has 2 divisors, whose sum is σ = 154155452. Its totient is φ = 154155450.

The previous prime is 154155437. The next prime is 154155461. The reversal of 154155451 is 154551451.

154155451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154155451 is a prime.

It is not a weakly prime, because it can be changed into another prime (154155461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77077725 + 77077726.

It is an arithmetic number, because the mean of its divisors is an integer number (77077726).

Almost surely, 2^154155451 is an apocalyptic number.

154155451 is a deficient number, since it is larger than the sum of its proper divisors (1).

154155451 is an equidigital number, since it uses as much as digits as its factorization.

154155451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10000, while the sum is 31.

The square root of 154155451 is about 12415.9353654890. The cubic root of 154155451 is about 536.1911341719.

The spelling of 154155451 in words is "one hundred fifty-four million, one hundred fifty-five thousand, four hundred fifty-one".