151745081 has 8 divisors (see below), whose sum is σ = 157728000. Its totient is φ = 145812240.

The previous prime is 151745071. The next prime is 151745117. The reversal of 151745081 is 180547151.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151745081 is a prime.

It is a super-2 number, since 2×151745081² = 46053139215393122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151745021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6281 + ... + 18518.

It is an arithmetic number, because the mean of its divisors is an integer number (19716000).

Almost surely, 2^151745081 is an apocalyptic number.

It is an amenable number.

151745081 is a deficient number, since it is larger than the sum of its proper divisors (5982919).

151745081 is a wasteful number, since it uses less digits than its factorization.

151745081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25039.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 151745081 is about 12318.4853370859. The cubic root of 151745081 is about 533.3818179446.

The spelling of 151745081 in words is "one hundred fifty-one million, seven hundred forty-five thousand, eighty-one".