45473919 has 8 divisors (see below), whose sum is σ = 62042112. Its totient is φ = 29610840.

The previous prime is 45473917. The next prime is 45473959. The reversal of 45473919 is 91937454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45473919 - 2¹ = 45473917 is a prime.

It is a super-2 number, since 2×45473919² = 4135754618437122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45473917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176127 + ... + 176384.

It is an arithmetic number, because the mean of its divisors is an integer number (7755264).

Almost surely, 2^45473919 is an apocalyptic number.

45473919 is a deficient number, since it is larger than the sum of its proper divisors (16568193).

45473919 is a wasteful number, since it uses less digits than its factorization.

45473919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352557.

The product of its digits is 136080, while the sum is 42.

The square root of 45473919 is about 6743.4352521545. The cubic root of 45473919 is about 356.9336238592.

The spelling of 45473919 in words is "forty-five million, four hundred seventy-three thousand, nine hundred nineteen".