748664145 has 48 divisors (see below), whose sum is σ = 1400855040. Its totient is φ = 368742528.

The previous prime is 748664143. The next prime is 748664159. The reversal of 748664145 is 541466847.

It is not a de Polignac number, because 748664145 - 2¹ = 748664143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 748664145.

It is not an unprimeable number, because it can be changed into a prime (748664143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17544 + ... + 42486.

It is an arithmetic number, because the mean of its divisors is an integer number (29184480).

Almost surely, 2^748664145 is an apocalyptic number.

It is an amenable number.

748664145 is a deficient number, since it is larger than the sum of its proper divisors (652190895).

748664145 is a wasteful number, since it uses less digits than its factorization.

748664145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25006 (or 25003 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 748664145 is about 27361.7277415005. The cubic root of 748664145 is about 908.0205514732.

It can be divided in two parts, 7486 and 64145, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 748664145 in words is "seven hundred forty-eight million, six hundred sixty-four thousand, one hundred forty-five".