151089869 has 4 divisors (see below), whose sum is σ = 172674144. Its totient is φ = 129505596.

The previous prime is 151089823. The next prime is 151089893. The reversal of 151089869 is 968980151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 968980151 = 1489 ⋅650759.

It is a cyclic number.

It is not a de Polignac number, because 151089869 - 2⁸ = 151089613 is a prime.

It is a super-2 number, since 2×151089869² = 45656297028874322, 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 (151089899) 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, 10792127 + ... + 10792140.

It is an arithmetic number, because the mean of its divisors is an integer number (43168536).

Almost surely, 2^151089869 is an apocalyptic number.

It is an amenable number.

151089869 is a deficient number, since it is larger than the sum of its proper divisors (21584275).

151089869 is an equidigital number, since it uses as much as digits as its factorization.

151089869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21584274.

The product of its (nonzero) digits is 155520, while the sum is 47.

The square root of 151089869 is about 12291.8619012744. The cubic root of 151089869 is about 532.6130233909.

The spelling of 151089869 in words is "one hundred fifty-one million, eighty-nine thousand, eight hundred sixty-nine".