45391377 has 8 divisors (see below), whose sum is σ = 64082016. Its totient is φ = 28480832.

The previous prime is 45391349. The next prime is 45391391. The reversal of 45391377 is 77319354.

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 45391377 - 2¹⁰ = 45390353 is a prime.

It is a super-2 number, since 2×45391377² = 4120754211912258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45391277) 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, 444963 + ... + 445064.

It is an arithmetic number, because the mean of its divisors is an integer number (8010252).

Almost surely, 2^45391377 is an apocalyptic number.

It is an amenable number.

45391377 is a deficient number, since it is larger than the sum of its proper divisors (18690639).

45391377 is a wasteful number, since it uses less digits than its factorization.

45391377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890047.

The product of its digits is 79380, while the sum is 39.

The square root of 45391377 is about 6737.3122979420. The cubic root of 45391377 is about 356.7175303282.

The spelling of 45391377 in words is "forty-five million, three hundred ninety-one thousand, three hundred seventy-seven".