743145156 has 36 divisors (see below), whose sum is σ = 2023007532. Its totient is φ = 228659904.

The previous prime is 743145079. The next prime is 743145163. The reversal of 743145156 is 651541347.

It can be written as a sum of positive squares in 2 ways, for example, as 168584256 + 574560900 = 12984^2 + 23970^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 743145156.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793491 + ... + 794426.

Almost surely, 2^743145156 is an apocalyptic number.

It is an amenable number.

743145156 is an abundant number, since it is smaller than the sum of its proper divisors (1279862376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

743145156 is a wasteful number, since it uses less digits than its factorization.

743145156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587940 (or 1587935 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 743145156 is about 27260.6888394259. The cubic root of 743145156 is about 905.7838029227.

The spelling of 743145156 in words is "seven hundred forty-three million, one hundred forty-five thousand, one hundred fifty-six".