45135331 has 4 divisors (see below), whose sum is σ = 45265752. Its totient is φ = 45004912.

The previous prime is 45135329. The next prime is 45135341. The reversal of 45135331 is 13353154.

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 45135331 - 2¹ = 45135329 is a prime.

It is a super-2 number, since 2×45135331² = 4074396208959122, 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 = 45135296 and 45135305.

It is not an unprimeable number, because it can be changed into a prime (45135341) 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, 64690 + ... + 65383.

It is an arithmetic number, because the mean of its divisors is an integer number (11316438).

Almost surely, 2^45135331 is an apocalyptic number.

45135331 is a deficient number, since it is larger than the sum of its proper divisors (130421).

45135331 is a wasteful number, since it uses less digits than its factorization.

45135331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130420.

The product of its digits is 2700, while the sum is 25.

The square root of 45135331 is about 6718.2833372819. The cubic root of 45135331 is about 356.0455350373.

Adding to 45135331 its reverse (13353154), we get a palindrome (58488485).

The spelling of 45135331 in words is "forty-five million, one hundred thirty-five thousand, three hundred thirty-one".