1445770992 has 40 divisors (see below), whose sum is σ = 3743470720. Its totient is φ = 480818880.

The previous prime is 1445770981. The next prime is 1445770993. The reversal of 1445770992 is 2990775441.

1445770992 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1445770992² = 4180507522617328128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445770993) 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, 13234 + ... + 55377.

It is an arithmetic number, because the mean of its divisors is an integer number (93586768).

Almost surely, 2^1445770992 is an apocalyptic number.

1445770992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1445770992 is an abundant number, since it is smaller than the sum of its proper divisors (2297699728).

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

1445770992 is a wasteful number, since it uses less digits than its factorization.

1445770992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69061 (or 69055 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 1445770992 is about 38023.2953858552. The cubic root of 1445770992 is about 1130.7497548620.

The spelling of 1445770992 in words is "one billion, four hundred forty-five million, seven hundred seventy thousand, nine hundred ninety-two".