45275431 has 8 divisors (see below), whose sum is σ = 48343680. Its totient is φ = 42298872.

The previous prime is 45275411. The next prime is 45275441. The reversal of 45275431 is 13457254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45275431 - 2¹⁹ = 44751143 is a prime.

It is a super-2 number, since 2×45275431² = 4099729304471522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45275393 and 45275402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45275411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21901 + ... + 23878.

It is an arithmetic number, because the mean of its divisors is an integer number (6042960).

Almost surely, 2^45275431 is an apocalyptic number.

45275431 is a deficient number, since it is larger than the sum of its proper divisors (3068249).

45275431 is a wasteful number, since it uses less digits than its factorization.

45275431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45845.

The product of its digits is 16800, while the sum is 31.

The square root of 45275431 is about 6728.7020293664. The cubic root of 45275431 is about 356.4135428040.

The spelling of 45275431 in words is "forty-five million, two hundred seventy-five thousand, four hundred thirty-one".