7442571445 has 4 divisors (see below), whose sum is σ = 8931085740. Its totient is φ = 5954057152.

The previous prime is 7442571439. The next prime is 7442571463. The reversal of 7442571445 is 5441752447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5441752447 = 269 ⋅20229563.

It can be written as a sum of positive squares in 2 ways, for example, as 3760387684 + 3682183761 = 61322^2 + 60681^2 .

It is a cyclic number.

It is not a de Polignac number, because 7442571445 - 2⁵ = 7442571413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744257140 + ... + 744257149.

It is an arithmetic number, because the mean of its divisors is an integer number (2232771435).

Almost surely, 2^7442571445 is an apocalyptic number.

It is an amenable number.

7442571445 is a deficient number, since it is larger than the sum of its proper divisors (1488514295).

7442571445 is a wasteful number, since it uses less digits than its factorization.

7442571445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488514294.

The product of its digits is 627200, while the sum is 43.

The square root of 7442571445 is about 86270.3393119559. The cubic root of 7442571445 is about 1952.4248987034.

The spelling of 7442571445 in words is "seven billion, four hundred forty-two million, five hundred seventy-one thousand, four hundred forty-five".