45247419 has 24 divisors (see below), whose sum is σ = 75246080. Its totient is φ = 25664688.

The previous prime is 45247409. The next prime is 45247427. The reversal of 45247419 is 91474254.

It is a happy number.

It is not a de Polignac number, because 45247419 - 2⁴ = 45247403 is a prime.

It is a super-2 number, since 2×45247419² = 4094657852323122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45247409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6174 + ... + 11340.

Almost surely, 2^45247419 is an apocalyptic number.

45247419 is a deficient number, since it is larger than the sum of its proper divisors (29998661).

45247419 is a wasteful number, since it uses less digits than its factorization.

45247419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319 (or 5316 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 45247419 is about 6726.6201765820. The cubic root of 45247419 is about 356.3400230483.

The spelling of 45247419 in words is "forty-five million, two hundred forty-seven thousand, four hundred nineteen".