1445625044 has 12 divisors (see below), whose sum is σ = 2530516800. Its totient is φ = 722620248.

The previous prime is 1445625043. The next prime is 1445625061. The reversal of 1445625044 is 4405265441.

It is a super-3 number, since 3×1445625044³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1445624995 and 1445625013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445625043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30434 + ... + 61785.

It is an arithmetic number, because the mean of its divisors is an integer number (210876400).

Almost surely, 2^1445625044 is an apocalyptic number.

It is an amenable number.

1445625044 is a deficient number, since it is larger than the sum of its proper divisors (1084891756).

1445625044 is a wasteful number, since it uses less digits than its factorization.

1445625044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96142 (or 96140 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The square root of 1445625044 is about 38021.3761455316. The cubic root of 1445625044 is about 1130.7117045254.

The spelling of 1445625044 in words is "one billion, four hundred forty-five million, six hundred twenty-five thousand, forty-four".