45101145 has 16 divisors (see below), whose sum is σ = 73524672. Its totient is φ = 23599680.

The previous prime is 45101131. The next prime is 45101149. The reversal of 45101145 is 54110154.

It is not a de Polignac number, because 45101145 - 2¹² = 45097049 is a prime.

It is a super-2 number, since 2×45101145² = 4068226560622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45101149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27571 + ... + 29160.

It is an arithmetic number, because the mean of its divisors is an integer number (4595292).

Almost surely, 2^45101145 is an apocalyptic number.

It is an amenable number.

45101145 is a deficient number, since it is larger than the sum of its proper divisors (28423527).

45101145 is a wasteful number, since it uses less digits than its factorization.

45101145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56792.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 45101145 is about 6715.7386042043. The cubic root of 45101145 is about 355.9556213880.

Adding to 45101145 its reverse (54110154), we get a palindrome (99211299).

Subtracting 45101145 from its reverse (54110154), we obtain a palindrome (9009009).

The spelling of 45101145 in words is "forty-five million, one hundred one thousand, one hundred forty-five".