45015261 has 4 divisors (see below), whose sum is σ = 60020352. Its totient is φ = 30010172.

The previous prime is 45015259. The next prime is 45015283. The reversal of 45015261 is 16251054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45015261 - 2¹ = 45015259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45015241) 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, 7502541 + ... + 7502546.

It is an arithmetic number, because the mean of its divisors is an integer number (15005088).

Almost surely, 2^45015261 is an apocalyptic number.

It is an amenable number.

45015261 is a deficient number, since it is larger than the sum of its proper divisors (15005091).

45015261 is a wasteful number, since it uses less digits than its factorization.

45015261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15005090.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 45015261 is about 6709.3413238559. The cubic root of 45015261 is about 355.7295346072.

The spelling of 45015261 in words is "forty-five million, fifteen thousand, two hundred sixty-one".