45622949 has 4 divisors (see below), whose sum is σ = 45814080. Its totient is φ = 45431820.

The previous prime is 45622943. The next prime is 45622991. The reversal of 45622949 is 94922654.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-45622949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45622943) 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, 95207 + ... + 95684.

It is an arithmetic number, because the mean of its divisors is an integer number (11453520).

Almost surely, 2^45622949 is an apocalyptic number.

It is an amenable number.

45622949 is a deficient number, since it is larger than the sum of its proper divisors (191131).

45622949 is a wasteful number, since it uses less digits than its factorization.

45622949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191130.

The product of its digits is 155520, while the sum is 41.

The square root of 45622949 is about 6754.4762195155. The cubic root of 45622949 is about 357.3231204810.

The spelling of 45622949 in words is "forty-five million, six hundred twenty-two thousand, nine hundred forty-nine".