151142869 has 4 divisors (see below), whose sum is σ = 160033644. Its totient is φ = 142252096.

The previous prime is 151142863. The next prime is 151142897. The reversal of 151142869 is 968241151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57304900 + 93837969 = 7570^2 + 9687^2 .

It is a cyclic number.

It is not a de Polignac number, because 151142869 - 2³ = 151142861 is a prime.

It is a super-2 number, since 2×151142869² = 45688333699102322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151142861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4445362 + ... + 4445395.

It is an arithmetic number, because the mean of its divisors is an integer number (40008411).

Almost surely, 2^151142869 is an apocalyptic number.

It is an amenable number.

151142869 is a deficient number, since it is larger than the sum of its proper divisors (8890775).

151142869 is an equidigital number, since it uses as much as digits as its factorization.

151142869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8890774.

The product of its digits is 17280, while the sum is 37.

The square root of 151142869 is about 12294.0176102038. The cubic root of 151142869 is about 532.6752935933.

The spelling of 151142869 in words is "one hundred fifty-one million, one hundred forty-two thousand, eight hundred sixty-nine".