151429961 has 4 divisors (see below), whose sum is σ = 154951632. Its totient is φ = 147908292.

The previous prime is 151429951. The next prime is 151429963. The reversal of 151429961 is 169924151.

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: 169924151 = 401 ⋅423751.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151429961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151429963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760771 + ... + 1760856.

It is an arithmetic number, because the mean of its divisors is an integer number (38737908).

Almost surely, 2^151429961 is an apocalyptic number.

It is an amenable number.

151429961 is a deficient number, since it is larger than the sum of its proper divisors (3521671).

151429961 is an equidigital number, since it uses as much as digits as its factorization.

151429961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521670.

The product of its digits is 19440, while the sum is 38.

The square root of 151429961 is about 12305.6881562959. The cubic root of 151429961 is about 533.0123479569.

The spelling of 151429961 in words is "one hundred fifty-one million, four hundred twenty-nine thousand, nine hundred sixty-one".