158460961 has 16 divisors (see below), whose sum is σ = 178070400. Its totient is φ = 140217088.

The previous prime is 158460949. The next prime is 158460979. The reversal of 158460961 is 169064851.

It is not a de Polignac number, because 158460961 - 2⁷ = 158460833 is a prime.

It is a super-2 number, since 2×158460961² = 50219752322087042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158460761) 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, 19635 + ... + 26503.

It is an arithmetic number, because the mean of its divisors is an integer number (11129400).

Almost surely, 2^158460961 is an apocalyptic number.

It is an amenable number.

158460961 is a deficient number, since it is larger than the sum of its proper divisors (19609439).

158460961 is a wasteful number, since it uses less digits than its factorization.

158460961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 158460961 is about 12588.1277797773. The cubic root of 158460961 is about 541.1372477487.

The spelling of 158460961 in words is "one hundred fifty-eight million, four hundred sixty thousand, nine hundred sixty-one".