45153731 has 8 divisors (see below), whose sum is σ = 51694944. Its totient is φ = 38635200.

The previous prime is 45153677. The next prime is 45153739. The reversal of 45153731 is 13735154.

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 45153731 - 2¹⁴ = 45137347 is a prime.

It is a super-2 number, since 2×45153731² = 4077718846440722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45153694 and 45153703.

It is not an unprimeable number, because it can be changed into a prime (45153739) 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, 1160 + ... + 9573.

It is an arithmetic number, because the mean of its divisors is an integer number (6461868).

Almost surely, 2^45153731 is an apocalyptic number.

45153731 is a deficient number, since it is larger than the sum of its proper divisors (6541213).

45153731 is a wasteful number, since it uses less digits than its factorization.

45153731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11341.

The product of its digits is 6300, while the sum is 29.

The square root of 45153731 is about 6719.6525951867. The cubic root of 45153731 is about 356.0939106496.

Adding to 45153731 its reverse (13735154), we get a palindrome (58888885).

The spelling of 45153731 in words is "forty-five million, one hundred fifty-three thousand, seven hundred thirty-one".