151985914 has 8 divisors (see below), whose sum is σ = 228708180. Its totient is φ = 75749856.

The previous prime is 151985887. The next prime is 151985917. The reversal of 151985914 is 419589151.

It can be written as a sum of positive squares in 2 ways, for example, as 97713225 + 54272689 = 9885^2 + 7367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (151985917) 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, 120769 + ... + 122020.

Almost surely, 2^151985914 is an apocalyptic number.

151985914 is a deficient number, since it is larger than the sum of its proper divisors (76722266).

151985914 is a wasteful number, since it uses less digits than its factorization.

151985914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243104.

The product of its digits is 64800, while the sum is 43.

The square root of 151985914 is about 12328.2567299679. The cubic root of 151985914 is about 533.6638436625.

It can be divided in two parts, 1519859 and 14, that multiplied together give a triangular number (21278026 = T₆₅₂₃).

The spelling of 151985914 in words is "one hundred fifty-one million, nine hundred eighty-five thousand, nine hundred fourteen".