151459481 has 4 divisors (see below), whose sum is σ = 152366592. Its totient is φ = 150552372.

The previous prime is 151459447. The next prime is 151459519. The reversal of 151459481 is 184954151.

It is a happy number.

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: 184954151 = 19 ⋅9734429.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151459481 is a prime.

It is a super-2 number, since 2×151459481² = 45879948769578722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151459411) 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, 453305 + ... + 453638.

It is an arithmetic number, because the mean of its divisors is an integer number (38091648).

Almost surely, 2^151459481 is an apocalyptic number.

It is an amenable number.

151459481 is a deficient number, since it is larger than the sum of its proper divisors (907111).

151459481 is an equidigital number, since it uses as much as digits as its factorization.

151459481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907110.

The product of its digits is 28800, while the sum is 38.

The square root of 151459481 is about 12306.8875431605. The cubic root of 151459481 is about 533.0469811345.

The spelling of 151459481 in words is "one hundred fifty-one million, four hundred fifty-nine thousand, four hundred eighty-one".