45478494 has 12 divisors (see below), whose sum is σ = 98536776. Its totient is φ = 15159492.

The previous prime is 45478481. The next prime is 45478507. The reversal of 45478494 is 49487454.

It is an interprime number because it is at equal distance from previous prime (45478481) and next prime (45478507).

It is a super-3 number, since 3×45478494³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1263274 + ... + 1263309.

It is an arithmetic number, because the mean of its divisors is an integer number (8211398).

Almost surely, 2^45478494 is an apocalyptic number.

45478494 is an abundant number, since it is smaller than the sum of its proper divisors (53058282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45478494 is a wasteful number, since it uses less digits than its factorization.

45478494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526591 (or 2526588 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 45478494 is about 6743.7744624209. The cubic root of 45478494 is about 356.9455934790.

It can be divided in two parts, 4547 and 8494, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 45478494 in words is "forty-five million, four hundred seventy-eight thousand, four hundred ninety-four".