154692961 has 4 divisors (see below), whose sum is σ = 155806000. Its totient is φ = 153579924.

The previous prime is 154692953. The next prime is 154692971. The reversal of 154692961 is 169296451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 169296451 = 10663 ⋅15877.

It is a cyclic number.

It is not a de Polignac number, because 154692961 - 2³ = 154692953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154692971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556311 + ... + 556588.

It is an arithmetic number, because the mean of its divisors is an integer number (38951500).

Almost surely, 2^154692961 is an apocalyptic number.

It is an amenable number.

154692961 is a deficient number, since it is larger than the sum of its proper divisors (1113039).

154692961 is a wasteful number, since it uses less digits than its factorization.

154692961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113038.

The product of its digits is 116640, while the sum is 43.

The square root of 154692961 is about 12437.5625023555. The cubic root of 154692961 is about 536.8136092274.

The spelling of 154692961 in words is "one hundred fifty-four million, six hundred ninety-two thousand, nine hundred sixty-one".