1374151545 has 48 divisors (see below), whose sum is σ = 2594002320. Its totient is φ = 668878848.

The previous prime is 1374151523. The next prime is 1374151589. The reversal of 1374151545 is 5451514731.

1374151545 is a `hidden beast` number, since 137 + 4 + 1 + 515 + 4 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 275825664 + 1098325881 = 16608^2 + 33141^2 .

It is not a de Polignac number, because 1374151545 - 2⁶ = 1374151481 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38869 + ... + 65261.

It is an arithmetic number, because the mean of its divisors is an integer number (54041715).

Almost surely, 2^1374151545 is an apocalyptic number.

1374151545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1374151545 is a deficient number, since it is larger than the sum of its proper divisors (1219850775).

1374151545 is a wasteful number, since it uses less digits than its factorization.

1374151545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26506 (or 26503 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 1374151545 is about 37069.5501051739. The cubic root of 1374151545 is about 1111.7612773720.

The spelling of 1374151545 in words is "one billion, three hundred seventy-four million, one hundred fifty-one thousand, five hundred forty-five".