1374215445 has 48 divisors (see below), whose sum is σ = 2420046720. Its totient is φ = 721295232.

The previous prime is 1374215443. The next prime is 1374215467. The reversal of 1374215445 is 5445124731.

It is not a de Polignac number, because 1374215445 - 2¹ = 1374215443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374215441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 803251 + ... + 804959.

It is an arithmetic number, because the mean of its divisors is an integer number (50417640).

Almost surely, 2^1374215445 is an apocalyptic number.

1374215445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1374215445 is a deficient number, since it is larger than the sum of its proper divisors (1045831275).

1374215445 is a wasteful number, since it uses less digits than its factorization.

1374215445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 1991 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 1374215445 is about 37070.4119885388. The cubic root of 1374215445 is about 1111.7785099314.

The spelling of 1374215445 in words is "one billion, three hundred seventy-four million, two hundred fifteen thousand, four hundred forty-five".