151370981 has 8 divisors (see below), whose sum is σ = 163399680. Its totient is φ = 139796272.

The previous prime is 151370977. The next prime is 151370993. The reversal of 151370981 is 189073151.

151370981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 151370981 - 2² = 151370977 is a prime.

It is a super-2 number, since 2×151370981² = 45826347777804722, 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 (151370911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112805 + ... + 114138.

It is an arithmetic number, because the mean of its divisors is an integer number (20424960).

Almost surely, 2^151370981 is an apocalyptic number.

It is an amenable number.

151370981 is a deficient number, since it is larger than the sum of its proper divisors (12028699).

151370981 is a wasteful number, since it uses less digits than its factorization.

151370981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226995.

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 151370981 is about 12303.2914701717. The cubic root of 151370981 is about 532.9431385121.

The spelling of 151370981 in words is "one hundred fifty-one million, three hundred seventy thousand, nine hundred eighty-one".