1445740476 has 48 divisors (see below), whose sum is σ = 3561855360. Its totient is φ = 455146560.

The previous prime is 1445740403. The next prime is 1445740481. The reversal of 1445740476 is 6740475441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65890 + ... + 85046.

It is an arithmetic number, because the mean of its divisors is an integer number (74205320).

Almost surely, 2^1445740476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445740476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780927680).

1445740476 is an abundant number, since it is smaller than the sum of its proper divisors (2116114884).

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

1445740476 is a wasteful number, since it uses less digits than its factorization.

1445740476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19514 (or 19512 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The square root of 1445740476 is about 38022.8941034214. The cubic root of 1445740476 is about 1130.7417991986.

The spelling of 1445740476 in words is "one billion, four hundred forty-five million, seven hundred forty thousand, four hundred seventy-six".