45387419 has 32 divisors (see below), whose sum is σ = 59097600. Its totient is φ = 33834240.

The previous prime is 45387373. The next prime is 45387431. The reversal of 45387419 is 91478354.

45387419 = T₁₃₂ + T₁₃₃ + ... + T₆₄₉.

It is not a de Polignac number, because 45387419 - 2²⁰ = 44338843 is a prime.

It is a super-2 number, since 2×45387419² = 4120035606963122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45387469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253472 + ... + 253650.

It is an arithmetic number, because the mean of its divisors is an integer number (1846800).

Almost surely, 2^45387419 is an apocalyptic number.

45387419 is a deficient number, since it is larger than the sum of its proper divisors (13710181).

45387419 is a wasteful number, since it uses less digits than its factorization.

45387419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 120960, while the sum is 41.

The square root of 45387419 is about 6737.0185542271. The cubic root of 45387419 is about 356.7071617728.

The spelling of 45387419 in words is "forty-five million, three hundred eighty-seven thousand, four hundred nineteen".