154130961 has 4 divisors (see below), whose sum is σ = 205507952. Its totient is φ = 102753972.

The previous prime is 154130953. The next prime is 154130987. The reversal of 154130961 is 169031451.

154130961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 169031451 = 3 ⋅56343817.

It is not a de Polignac number, because 154130961 - 2³ = 154130953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154130161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25688491 + ... + 25688496.

It is an arithmetic number, because the mean of its divisors is an integer number (51376988).

Almost surely, 2^154130961 is an apocalyptic number.

It is an amenable number.

154130961 is a deficient number, since it is larger than the sum of its proper divisors (51376991).

154130961 is an equidigital number, since it uses as much as digits as its factorization.

154130961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51376990.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 154130961 is about 12414.9490937337. The cubic root of 154130961 is about 536.1627385573.

The spelling of 154130961 in words is "one hundred fifty-four million, one hundred thirty thousand, nine hundred sixty-one".