45192031 has 2 divisors, whose sum is σ = 45192032. Its totient is φ = 45192030.

The previous prime is 45192023. The next prime is 45192071. The reversal of 45192031 is 13029154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45192031 - 2³ = 45192023 is a prime.

It is a super-2 number, since 2×45192031² = 4084639331809922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45191987 and 45192005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45192071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22596015 + 22596016.

It is an arithmetic number, because the mean of its divisors is an integer number (22596016).

Almost surely, 2^45192031 is an apocalyptic number.

45192031 is a deficient number, since it is larger than the sum of its proper divisors (1).

45192031 is an equidigital number, since it uses as much as digits as its factorization.

45192031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 45192031 is about 6722.5018408328. The cubic root of 45192031 is about 356.1945634063.

The spelling of 45192031 in words is "forty-five million, one hundred ninety-two thousand, thirty-one".