156994862 has 4 divisors (see below), whose sum is σ = 235492296. Its totient is φ = 78497430.

The previous prime is 156994837. The next prime is 156994867. The reversal of 156994862 is 268499651.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 156994862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156994867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39248714 + ... + 39248717.

It is an arithmetic number, because the mean of its divisors is an integer number (58873074).

Almost surely, 2^156994862 is an apocalyptic number.

156994862 is a deficient number, since it is larger than the sum of its proper divisors (78497434).

156994862 is an equidigital number, since it uses as much as digits as its factorization.

156994862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78497433.

The product of its digits is 933120, while the sum is 50.

The square root of 156994862 is about 12529.7590559436. The cubic root of 156994862 is about 539.4631862379.

The spelling of 156994862 in words is "one hundred fifty-six million, nine hundred ninety-four thousand, eight hundred sixty-two".