372120145 has 4 divisors (see below), whose sum is σ = 446544180. Its totient is φ = 297696112.

The previous prime is 372120113. The next prime is 372120163. The reversal of 372120145 is 541021273.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541021273 = 13 ⋅41617021.

It can be written as a sum of positive squares in 2 ways, for example, as 80120401 + 291999744 = 8951^2 + 17088^2 .

It is a cyclic number.

It is not a de Polignac number, because 372120145 - 2⁵ = 372120113 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 37212010 + ... + 37212019.

It is an arithmetic number, because the mean of its divisors is an integer number (111636045).

Almost surely, 2^372120145 is an apocalyptic number.

It is an amenable number.

372120145 is a deficient number, since it is larger than the sum of its proper divisors (74424035).

372120145 is an equidigital number, since it uses as much as digits as its factorization.

372120145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74424034.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 372120145 is about 19290.4158845785. The cubic root of 372120145 is about 719.2740528963.

The spelling of 372120145 in words is "three hundred seventy-two million, one hundred twenty thousand, one hundred forty-five".