45419619 has 24 divisors (see below), whose sum is σ = 72726528. Its totient is φ = 25114320.

The previous prime is 45419581. The next prime is 45419659. The reversal of 45419619 is 91691454.

It is not a de Polignac number, because 45419619 - 2¹³ = 45411427 is a prime.

It is a super-2 number, since 2×45419619² = 4125883580210322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45419659) 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, 427 + ... + 9540.

It is an arithmetic number, because the mean of its divisors is an integer number (3030272).

Almost surely, 2^45419619 is an apocalyptic number.

45419619 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

45419619 is a deficient number, since it is larger than the sum of its proper divisors (27306909).

45419619 is a wasteful number, since it uses less digits than its factorization.

45419619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10015 (or 10008 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 45419619 is about 6739.4079116789. The cubic root of 45419619 is about 356.7914968573.

The spelling of 45419619 in words is "forty-five million, four hundred nineteen thousand, six hundred nineteen".