45377237 has 4 divisors (see below), whose sum is σ = 45458400. Its totient is φ = 45296076.

The previous prime is 45377219. The next prime is 45377261. The reversal of 45377237 is 73277354.

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 not a de Polignac number, because 45377237 - 2¹⁶ = 45311701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45377237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45371237) 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, 39737 + ... + 40862.

It is an arithmetic number, because the mean of its divisors is an integer number (11364600).

Almost surely, 2^45377237 is an apocalyptic number.

It is an amenable number.

45377237 is a deficient number, since it is larger than the sum of its proper divisors (81163).

45377237 is an equidigital number, since it uses as much as digits as its factorization.

45377237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81162.

The product of its digits is 123480, while the sum is 38.

The square root of 45377237 is about 6736.2628363210. The cubic root of 45377237 is about 356.6804857758.

The spelling of 45377237 in words is "forty-five million, three hundred seventy-seven thousand, two hundred thirty-seven".