149976763 has 4 divisors (see below), whose sum is σ = 150031600. Its totient is φ = 149921928.

The previous prime is 149976707. The next prime is 149976787. The reversal of 149976763 is 367679941.

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

It is a 4-Lehmer number, since φ(149976763) divides (149976763-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 149976763 - 2⁹ = 149976251 is a prime.

It is the 12247-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149976763.

It is not an unprimeable number, because it can be changed into a prime (149976793) by changing a digit.

It is a nontrivial repunit in base 12246.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23088 + ... + 28861.

It is an arithmetic number, because the mean of its divisors is an integer number (37507900).

Almost surely, 2^149976763 is an apocalyptic number.

149976763 is a deficient number, since it is larger than the sum of its proper divisors (54837).

149976763 is an equidigital number, since it uses as much as digits as its factorization.

149976763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54836.

The product of its digits is 1714608, while the sum is 52.

The square root of 149976763 is about 12246.5000306210. The cubic root of 149976763 is about 531.3018465109.

The spelling of 149976763 in words is "one hundred forty-nine million, nine hundred seventy-six thousand, seven hundred sixty-three".