45749261 has 8 divisors (see below), whose sum is σ = 48812544. Its totient is φ = 42727360.

The previous prime is 45749257. The next prime is 45749281. The reversal of 45749261 is 16294754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45749261 - 2² = 45749257 is a prime.

It is a super-2 number, since 2×45749261² = 4185989764092242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45749281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8045 + ... + 12498.

It is an arithmetic number, because the mean of its divisors is an integer number (6101568).

Almost surely, 2^45749261 is an apocalyptic number.

It is an amenable number.

45749261 is a deficient number, since it is larger than the sum of its proper divisors (3063283).

45749261 is a wasteful number, since it uses less digits than its factorization.

45749261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20691.

The product of its digits is 60480, while the sum is 38.

The square root of 45749261 is about 6763.8200005618. The cubic root of 45749261 is about 357.6525790099.

The spelling of 45749261 in words is "forty-five million, seven hundred forty-nine thousand, two hundred sixty-one".