1374551445 has 16 divisors (see below), whose sum is σ = 2252924352. Its totient is φ = 715213440.

The previous prime is 1374551441. The next prime is 1374551471. The reversal of 1374551445 is 5441554731.

It is not a de Polignac number, because 1374551445 - 2² = 1374551441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374551441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116907 + ... + 1118136.

It is an arithmetic number, because the mean of its divisors is an integer number (140807772).

Almost surely, 2^1374551445 is an apocalyptic number.

1374551445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1374551445 is a deficient number, since it is larger than the sum of its proper divisors (878372907).

1374551445 is a wasteful number, since it uses less digits than its factorization.

1374551445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235092.

The product of its digits is 168000, while the sum is 39.

The square root of 1374551445 is about 37074.9436277387. The cubic root of 1374551445 is about 1111.8691136621.

The spelling of 1374551445 in words is "one billion, three hundred seventy-four million, five hundred fifty-one thousand, four hundred forty-five".