1507378345 has 8 divisors (see below), whose sum is σ = 1973295360. Its totient is φ = 1096275120.

The previous prime is 1507378343. The next prime is 1507378403. The reversal of 1507378345 is 5438737051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1507378345 - 2¹ = 1507378343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1507378343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13703385 + ... + 13703494.

It is an arithmetic number, because the mean of its divisors is an integer number (246661920).

Almost surely, 2^1507378345 is an apocalyptic number.

It is an amenable number.

1507378345 is a deficient number, since it is larger than the sum of its proper divisors (465917015).

1507378345 is a wasteful number, since it uses less digits than its factorization.

1507378345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27406895.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 1507378345 is about 38824.9706374648. The cubic root of 1507378345 is about 1146.5880838503.

The spelling of 1507378345 in words is "one billion, five hundred seven million, three hundred seventy-eight thousand, three hundred forty-five".