1445903070 has 64 divisors (see below), whose sum is σ = 3550708224. Its totient is φ = 376688000.

The previous prime is 1445903051. The next prime is 1445903087. The reversal of 1445903070 is 703095441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397279 + ... + 400901.

It is an arithmetic number, because the mean of its divisors is an integer number (55479816).

Almost surely, 2^1445903070 is an apocalyptic number.

1445903070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445903070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1775354112).

1445903070 is an abundant number, since it is smaller than the sum of its proper divisors (2104805154).

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

1445903070 is a wasteful number, since it uses less digits than its factorization.

1445903070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1445903070 is about 38025.0321498878. The cubic root of 1445903070 is about 1130.7841869215.

The spelling of 1445903070 in words is "one billion, four hundred forty-five million, nine hundred three thousand, seventy".