1551000345 has 16 divisors (see below), whose sum is σ = 2482563840. Its totient is φ = 826879104.

The previous prime is 1551000337. The next prime is 1551000361. The reversal of 1551000345 is 5430001551.

It is not a de Polignac number, because 1551000345 - 2³ = 1551000337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22821 + ... + 60189.

It is an arithmetic number, because the mean of its divisors is an integer number (155160240).

Almost surely, 2^1551000345 is an apocalyptic number.

1551000345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1551000345 is a deficient number, since it is larger than the sum of its proper divisors (931563495).

1551000345 is a wasteful number, since it uses less digits than its factorization.

1551000345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40144.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1551000345 is about 39382.7417151219. The cubic root of 1551000345 is about 1157.5434401298.

Adding to 1551000345 its reverse (5430001551), we get a palindrome (6981001896).

The spelling of 1551000345 in words is "one billion, five hundred fifty-one million, three hundred forty-five", and thus it is an aban number.