154140677 has 2 divisors, whose sum is σ = 154140678. Its totient is φ = 154140676.

The previous prime is 154140653. The next prime is 154140691. The reversal of 154140677 is 776041451.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92140801 + 61999876 = 9599^2 + 7874^2 .

It is a cyclic number.

It is not a de Polignac number, because 154140677 - 2¹⁰ = 154139653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154140617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77070338 + 77070339.

It is an arithmetic number, because the mean of its divisors is an integer number (77070339).

Almost surely, 2^154140677 is an apocalyptic number.

It is an amenable number.

154140677 is a deficient number, since it is larger than the sum of its proper divisors (1).

154140677 is an equidigital number, since it uses as much as digits as its factorization.

154140677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 154140677 is about 12415.3403900175. The cubic root of 154140677 is about 536.1740044048.

The spelling of 154140677 in words is "one hundred fifty-four million, one hundred forty thousand, six hundred seventy-seven".