45737623 has 4 divisors (see below), whose sum is σ = 45784768. Its totient is φ = 45690480.

The previous prime is 45737609. The next prime is 45737641. The reversal of 45737623 is 32673754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45737623 - 2¹⁷ = 45606551 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 (45737663) 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, 22086 + ... + 24067.

It is an arithmetic number, because the mean of its divisors is an integer number (11446192).

Almost surely, 2^45737623 is an apocalyptic number.

45737623 is a deficient number, since it is larger than the sum of its proper divisors (47145).

45737623 is an equidigital number, since it uses as much as digits as its factorization.

45737623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47144.

The product of its digits is 105840, while the sum is 37.

The square root of 45737623 is about 6762.9596331784. The cubic root of 45737623 is about 357.6222490941.

It can be divided in two parts, 45737 and 623, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 45737623 in words is "forty-five million, seven hundred thirty-seven thousand, six hundred twenty-three".