45375739 has 4 divisors (see below), whose sum is σ = 45421720. Its totient is φ = 45329760.

The previous prime is 45375709. The next prime is 45375751. The reversal of 45375739 is 93757354.

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: 93757354 = 2 ⋅46878677.

It is a cyclic number.

It is not a de Polignac number, because 45375739 - 2⁷ = 45375611 is a prime.

It is a super-2 number, since 2×45375739² = 4117915379592242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45375695 and 45375704.

It is not an unprimeable number, because it can be changed into a prime (45375709) 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, 21477 + ... + 23494.

It is an arithmetic number, because the mean of its divisors is an integer number (11355430).

Almost surely, 2^45375739 is an apocalyptic number.

45375739 is a deficient number, since it is larger than the sum of its proper divisors (45981).

45375739 is a wasteful number, since it uses less digits than its factorization.

45375739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45980.

The product of its digits is 396900, while the sum is 43.

The square root of 45375739 is about 6736.1516461552. The cubic root of 45375739 is about 356.6765608032.

The spelling of 45375739 in words is "forty-five million, three hundred seventy-five thousand, seven hundred thirty-nine".