45011501 has 4 divisors (see below), whose sum is σ = 45179100. Its totient is φ = 44843904.

The previous prime is 45011479. The next prime is 45011507. The reversal of 45011501 is 10511054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10511054 = 2 ⋅5255527.

It can be written as a sum of positive squares in 2 ways, for example, as 5635876 + 39375625 = 2374^2 + 6275^2 .

It is a cyclic number.

It is not a de Polignac number, because 45011501 - 2¹⁰ = 45010477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45011501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45011507) 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, 83396 + ... + 83933.

It is an arithmetic number, because the mean of its divisors is an integer number (11294775).

Almost surely, 2^45011501 is an apocalyptic number.

It is an amenable number.

45011501 is a deficient number, since it is larger than the sum of its proper divisors (167599).

45011501 is a wasteful number, since it uses less digits than its factorization.

45011501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167598.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 45011501 is about 6709.0611116609. The cubic root of 45011501 is about 355.7196299641.

Adding to 45011501 its reverse (10511054), we get a palindrome (55522555).

The spelling of 45011501 in words is "forty-five million, eleven thousand, five hundred one".