2151345452 has 12 divisors (see below), whose sum is σ = 3963004920. Its totient is φ = 1019058336.

The previous prime is 2151345437. The next prime is 2151345467. The reversal of 2151345452 is 2545431512.

It is an interprime number because it is at equal distance from previous prime (2151345437) and next prime (2151345467).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14153513 + ... + 14153664.

It is an arithmetic number, because the mean of its divisors is an integer number (330250410).

Almost surely, 2^2151345452 is an apocalyptic number.

It is an amenable number.

2151345452 is a deficient number, since it is larger than the sum of its proper divisors (1811659468).

2151345452 is a wasteful number, since it uses less digits than its factorization.

2151345452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28307200 (or 28307198 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 2151345452 is about 46382.5985904197. The cubic root of 2151345452 is about 1290.9320532083.

Adding to 2151345452 its reverse (2545431512), we get a palindrome (4696776964).

The spelling of 2151345452 in words is "two billion, one hundred fifty-one million, three hundred forty-five thousand, four hundred fifty-two".