45253031 has 4 divisors (see below), whose sum is σ = 47914992. Its totient is φ = 42591072.

The previous prime is 45253001. The next prime is 45253037. The reversal of 45253031 is 13035254.

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

It is a cyclic number.

It is not a de Polignac number, because 45253031 - 2¹⁴ = 45236647 is a prime.

It is a super-2 number, since 2×45253031² = 4095673629373922, 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 = 45252988 and 45253006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45253037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330955 + ... + 1330988.

It is an arithmetic number, because the mean of its divisors is an integer number (11978748).

Almost surely, 2^45253031 is an apocalyptic number.

45253031 is a deficient number, since it is larger than the sum of its proper divisors (2661961).

45253031 is a wasteful number, since it uses less digits than its factorization.

45253031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661960.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 45253031 is about 6727.0373122200. The cubic root of 45253031 is about 356.3547546255.

Adding to 45253031 its reverse (13035254), we get a palindrome (58288285).

The spelling of 45253031 in words is "forty-five million, two hundred fifty-three thousand, thirty-one".