45868991 has 8 divisors (see below), whose sum is σ = 52498560. Its totient is φ = 39258648.

The previous prime is 45868967. The next prime is 45868993. The reversal of 45868991 is 19986854.

It is a happy number.

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 45868991 - 2¹⁰ = 45867967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45868993) 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, 740 + ... + 9606.

It is an arithmetic number, because the mean of its divisors is an integer number (6562320).

Almost surely, 2^45868991 is an apocalyptic number.

45868991 is a deficient number, since it is larger than the sum of its proper divisors (6629569).

45868991 is an equidigital number, since it uses as much as digits as its factorization.

45868991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9613.

The product of its digits is 622080, while the sum is 50.

The square root of 45868991 is about 6772.6649850705. The cubic root of 45868991 is about 357.9643103941.

The spelling of 45868991 in words is "forty-five million, eight hundred sixty-eight thousand, nine hundred ninety-one".