45626291 has 4 divisors (see below), whose sum is σ = 46859472. Its totient is φ = 44393112.

The previous prime is 45626281. The next prime is 45626303. The reversal of 45626291 is 19262654.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19262654 = 2 ⋅9631327.

It is a cyclic number.

It is not a de Polignac number, because 45626291 - 2¹⁰ = 45625267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45626221) 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, 616535 + ... + 616608.

It is an arithmetic number, because the mean of its divisors is an integer number (11714868).

Almost surely, 2^45626291 is an apocalyptic number.

45626291 is a deficient number, since it is larger than the sum of its proper divisors (1233181).

45626291 is a wasteful number, since it uses less digits than its factorization.

45626291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233180.

The product of its digits is 25920, while the sum is 35.

The square root of 45626291 is about 6754.7236064846. The cubic root of 45626291 is about 357.3318452181.

The spelling of 45626291 in words is "forty-five million, six hundred twenty-six thousand, two hundred ninety-one".