154342140451 has 2 divisors, whose sum is σ = 154342140452. Its totient is φ = 154342140450.

The previous prime is 154342140427. The next prime is 154342140551. The reversal of 154342140451 is 154041243451.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154342140451 - 2³⁵ = 119982402083 is a prime.

It is not a weakly prime, because it can be changed into another prime (154342140401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77171070225 + 77171070226.

It is an arithmetic number, because the mean of its divisors is an integer number (77171070226).

Almost surely, 2^154342140451 is an apocalyptic number.

154342140451 is a deficient number, since it is larger than the sum of its proper divisors (1).

154342140451 is an equidigital number, since it uses as much as digits as its factorization.

154342140451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 154342140451 in words is "one hundred fifty-four billion, three hundred forty-two million, one hundred forty thousand, four hundred fifty-one".