45102331 has 4 divisors (see below), whose sum is σ = 45134464. Its totient is φ = 45070200.

The previous prime is 45102307. The next prime is 45102349. The reversal of 45102331 is 13320154.

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 45102331 - 2¹¹ = 45100283 is a prime.

It is a super-2 number, since 2×45102331² = 4068440523267122, 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 = 45102299 and 45102308.

It is not an unprimeable number, because it can be changed into a prime (45102301) 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, 13860 + ... + 16801.

It is an arithmetic number, because the mean of its divisors is an integer number (11283616).

Almost surely, 2^45102331 is an apocalyptic number.

45102331 is a deficient number, since it is larger than the sum of its proper divisors (32133).

45102331 is a wasteful number, since it uses less digits than its factorization.

45102331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32132.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 45102331 is about 6715.8269036657. The cubic root of 45102331 is about 355.9587414837.

Adding to 45102331 its reverse (13320154), we get a palindrome (58422485).

The spelling of 45102331 in words is "forty-five million, one hundred two thousand, three hundred thirty-one".