1445090442 has 16 divisors (see below), whose sum is σ = 2894132640. Its totient is φ = 481038192.

The previous prime is 1445090431. The next prime is 1445090447. The reversal of 1445090442 is 2440905441.

It is not an unprimeable number, because it can be changed into a prime (1445090447) 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, 159892 + ... + 168687.

It is an arithmetic number, because the mean of its divisors is an integer number (180883290).

Almost surely, 2^1445090442 is an apocalyptic number.

1445090442 is an abundant number, since it is smaller than the sum of its proper divisors (1449042198).

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

1445090442 is a wasteful number, since it uses less digits than its factorization.

1445090442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329317.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1445090442 is about 38014.3452133533. The cubic root of 1445090442 is about 1130.5723057073.

Adding to 1445090442 its reverse (2440905441), we get a palindrome (3885995883).

The spelling of 1445090442 in words is "one billion, four hundred forty-five million, ninety thousand, four hundred forty-two".