156862749 has 12 divisors (see below), whose sum is σ = 211169504. Its totient is φ = 103575144.

The previous prime is 156862747. The next prime is 156862763. The reversal of 156862749 is 947268651.

It is not a de Polignac number, because 156862749 - 2¹ = 156862747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156862698 and 156862707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156862747) 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 11 ways as a sum of consecutive naturals, for example, 32064 + ... + 36630.

Almost surely, 2^156862749 is an apocalyptic number.

It is an amenable number.

156862749 is a deficient number, since it is larger than the sum of its proper divisors (54306755).

156862749 is an equidigital number, since it uses as much as digits as its factorization.

156862749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784 (or 4677 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 156862749 is about 12524.4859774763. The cubic root of 156862749 is about 539.3118222592.

The spelling of 156862749 in words is "one hundred fifty-six million, eight hundred sixty-two thousand, seven hundred forty-nine".