1445342574 has 64 divisors (see below), whose sum is σ = 3288434688. Its totient is φ = 420336000.

The previous prime is 1445342501. The next prime is 1445342579. The reversal of 1445342574 is 4752435441.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445342579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97024 + ... + 110924.

It is an arithmetic number, because the mean of its divisors is an integer number (51381792).

Almost surely, 2^1445342574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445342574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644217344).

1445342574 is an abundant number, since it is smaller than the sum of its proper divisors (1843092114).

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

1445342574 is a wasteful number, since it uses less digits than its factorization.

1445342574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13993.

The product of its digits is 268800, while the sum is 39.

The square root of 1445342574 is about 38017.6613431179. The cubic root of 1445342574 is about 1130.6380540442.

The spelling of 1445342574 in words is "one billion, four hundred forty-five million, three hundred forty-two thousand, five hundred seventy-four".