1146574494 has 256 divisors, whose sum is σ = 3096576000. Its totient is φ = 311195520.

The previous prime is 1146574477. The next prime is 1146574511. The reversal of 1146574494 is 4944756411.

It is an interprime number because it is at equal distance from previous prime (1146574477) and next prime (1146574511).

Its product of digits (483840) is a multiple of the sum of its prime factors (180).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19433437 + ... + 19433495.

It is an arithmetic number, because the mean of its divisors is an integer number (12096000).

Almost surely, 2^1146574494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1146574494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548288000).

1146574494 is an abundant number, since it is smaller than the sum of its proper divisors (1950001506).

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

1146574494 is a wasteful number, since it uses less digits than its factorization.

1146574494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 174 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 1146574494 is about 33861.1059181474. The cubic root of 1146574494 is about 1046.6482673322.

The spelling of 1146574494 in words is "one billion, one hundred forty-six million, five hundred seventy-four thousand, four hundred ninety-four".