158780953 has 2 divisors, whose sum is σ = 158780954. Its totient is φ = 158780952.

The previous prime is 158780939. The next prime is 158780959. The reversal of 158780953 is 359087851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150503824 + 8277129 = 12268^2 + 2877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158780953 is a prime.

It is a super-2 number, since 2×158780953² = 50422782071176418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (158780959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79390476 + 79390477.

It is an arithmetic number, because the mean of its divisors is an integer number (79390477).

Almost surely, 2^158780953 is an apocalyptic number.

It is an amenable number.

158780953 is a deficient number, since it is larger than the sum of its proper divisors (1).

158780953 is an equidigital number, since it uses as much as digits as its factorization.

158780953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 158780953 is about 12600.8314408217. The cubic root of 158780953 is about 541.5012557283.

The spelling of 158780953 in words is "one hundred fifty-eight million, seven hundred eighty thousand, nine hundred fifty-three".