151512451 has 4 divisors (see below), whose sum is σ = 151912600. Its totient is φ = 151112304.

The previous prime is 151512401. The next prime is 151512463. The reversal of 151512451 is 154215151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154215151 = 12049 ⋅12799.

It is a cyclic number.

It is not a de Polignac number, because 151512451 - 2⁷ = 151512323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151512401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199506 + ... + 200263.

It is an arithmetic number, because the mean of its divisors is an integer number (37978150).

Almost surely, 2^151512451 is an apocalyptic number.

151512451 is a deficient number, since it is larger than the sum of its proper divisors (400149).

151512451 is an equidigital number, since it uses as much as digits as its factorization.

151512451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400148.

The product of its digits is 1000, while the sum is 25.

The square root of 151512451 is about 12309.0394020005. The cubic root of 151512451 is about 533.1091148208.

The spelling of 151512451 in words is "one hundred fifty-one million, five hundred twelve thousand, four hundred fifty-one".