45778479 has 8 divisors (see below), whose sum is σ = 61205760. Its totient is φ = 30435096.

The previous prime is 45778477. The next prime is 45778489. The reversal of 45778479 is 97487754.

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

It is not a de Polignac number, because 45778479 - 2¹ = 45778477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45778477) 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, 19689 + ... + 21890.

It is an arithmetic number, because the mean of its divisors is an integer number (7650720).

Almost surely, 2^45778479 is an apocalyptic number.

45778479 is a deficient number, since it is larger than the sum of its proper divisors (15427281).

45778479 is a wasteful number, since it uses less digits than its factorization.

45778479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41949.

The product of its digits is 1975680, while the sum is 51.

The square root of 45778479 is about 6765.9795299720. The cubic root of 45778479 is about 357.7287016910.

The spelling of 45778479 in words is "forty-five million, seven hundred seventy-eight thousand, four hundred seventy-nine".