372103945 has 4 divisors (see below), whose sum is σ = 446524740. Its totient is φ = 297683152.

The previous prime is 372103933. The next prime is 372103957. The reversal of 372103945 is 549301273.

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

It is an interprime number because it is at equal distance from previous prime (372103933) and next prime (372103957).

It can be written as a sum of positive squares in 2 ways, for example, as 283046976 + 89056969 = 16824^2 + 9437^2 .

It is a cyclic number.

It is not a de Polignac number, because 372103945 - 2¹⁷ = 371972873 is a prime.

It is a super-2 number, since 2×372103945² = 276922691769126050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 372103945.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37210390 + ... + 37210399.

It is an arithmetic number, because the mean of its divisors is an integer number (111631185).

Almost surely, 2^372103945 is an apocalyptic number.

It is an amenable number.

372103945 is a deficient number, since it is larger than the sum of its proper divisors (74420795).

372103945 is an equidigital number, since it uses as much as digits as its factorization.

372103945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74420794.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 372103945 is about 19289.9959823739. The cubic root of 372103945 is about 719.2636150409.

The spelling of 372103945 in words is "three hundred seventy-two million, one hundred three thousand, nine hundred forty-five".