45761919 has 8 divisors (see below), whose sum is σ = 69732480. Its totient is φ = 26149656.

The previous prime is 45761917. The next prime is 45761939. The reversal of 45761919 is 91916754.

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

It is not a de Polignac number, because 45761919 - 2¹ = 45761917 is a prime.

It is a super-2 number, since 2×45761919² = 4188306461125122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45761917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089549 + ... + 1089590.

It is an arithmetic number, because the mean of its divisors is an integer number (8716560).

Almost surely, 2^45761919 is an apocalyptic number.

45761919 is a deficient number, since it is larger than the sum of its proper divisors (23970561).

45761919 is a wasteful number, since it uses less digits than its factorization.

45761919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179149.

The product of its digits is 68040, while the sum is 42.

The square root of 45761919 is about 6764.7556496891. The cubic root of 45761919 is about 357.6855613196.

The spelling of 45761919 in words is "forty-five million, seven hundred sixty-one thousand, nine hundred nineteen".