154345961 has 16 divisors (see below), whose sum is σ = 193259520. Its totient is φ = 119752080.

The previous prime is 154345951. The next prime is 154345969. The reversal of 154345961 is 169543451.

It is not a de Polignac number, because 154345961 - 2⁶ = 154345897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154345969) 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 15 ways as a sum of consecutive naturals, for example, 14210 + ... + 22596.

It is an arithmetic number, because the mean of its divisors is an integer number (12078720).

Almost surely, 2^154345961 is an apocalyptic number.

154345961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

154345961 is a deficient number, since it is larger than the sum of its proper divisors (38913559).

154345961 is a wasteful number, since it uses less digits than its factorization.

154345961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8644.

The product of its digits is 64800, while the sum is 38.

The square root of 154345961 is about 12423.6049921108. The cubic root of 154345961 is about 536.4119236871.

The spelling of 154345961 in words is "one hundred fifty-four million, three hundred forty-five thousand, nine hundred sixty-one".