745038445 has 16 divisors (see below), whose sum is σ = 909941760. Its totient is φ = 585460800.

The previous prime is 745038433. The next prime is 745038451. The reversal of 745038445 is 544830547.

It is a de Polignac number, because none of the positive numbers 2^k-745038445 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745038398 and 745038407.

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, 331636 + ... + 333874.

It is an arithmetic number, because the mean of its divisors is an integer number (56871360).

Almost surely, 2^745038445 is an apocalyptic number.

It is an amenable number.

745038445 is a deficient number, since it is larger than the sum of its proper divisors (164903315).

745038445 is a wasteful number, since it uses less digits than its factorization.

745038445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396.

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 745038445 is about 27295.3923767364. The cubic root of 745038445 is about 906.5523635070.

The spelling of 745038445 in words is "seven hundred forty-five million, thirty-eight thousand, four hundred forty-five".