1445573542 has 32 divisors (see below), whose sum is σ = 2611065600. Its totient is φ = 586359648.

The previous prime is 1445573539. The next prime is 1445573557. The reversal of 1445573542 is 2453755441.

It is a junction number, because it is equal to n+sod(n) for n = 1445573495 and 1445573504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378213 + ... + 382015.

It is an arithmetic number, because the mean of its divisors is an integer number (81595800).

Almost surely, 2^1445573542 is an apocalyptic number.

1445573542 is a deficient number, since it is larger than the sum of its proper divisors (1165492058).

1445573542 is a wasteful number, since it uses less digits than its factorization.

1445573542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260.

The product of its digits is 336000, while the sum is 40.

The square root of 1445573542 is about 38020.6988625933. The cubic root of 1445573542 is about 1130.6982767452.

The spelling of 1445573542 in words is "one billion, four hundred forty-five million, five hundred seventy-three thousand, five hundred forty-two".