45154631 has 8 divisors (see below), whose sum is σ = 46785024. Its totient is φ = 43535160.

The previous prime is 45154597. The next prime is 45154657. The reversal of 45154631 is 13645154.

It is a happy number.

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

It is not a de Polignac number, because 45154631 - 2¹⁰ = 45153607 is a prime.

It is a super-2 number, since 2×45154631² = 4077881401492322, 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 = 45154594 and 45154603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45154691) 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, 6200 + ... + 11346.

It is an arithmetic number, because the mean of its divisors is an integer number (5848128).

Almost surely, 2^45154631 is an apocalyptic number.

45154631 is a deficient number, since it is larger than the sum of its proper divisors (1630393).

45154631 is a wasteful number, since it uses less digits than its factorization.

45154631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5461.

The product of its digits is 7200, while the sum is 29.

The square root of 45154631 is about 6719.7195626008. The cubic root of 45154631 is about 356.0962765109.

Adding to 45154631 its reverse (13645154), we get a palindrome (58799785).

The spelling of 45154631 in words is "forty-five million, one hundred fifty-four thousand, six hundred thirty-one".