151387505 has 8 divisors (see below), whose sum is σ = 184376832. Its totient is φ = 119302128.

The previous prime is 151387501. The next prime is 151387513. The reversal of 151387505 is 505783151.

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 151387505 - 2² = 151387501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151387501) 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, 225617 + ... + 226286.

It is an arithmetic number, because the mean of its divisors is an integer number (23047104).

Almost surely, 2^151387505 is an apocalyptic number.

It is an amenable number.

151387505 is a deficient number, since it is larger than the sum of its proper divisors (32989327).

151387505 is an equidigital number, since it uses as much as digits as its factorization.

151387505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451975.

The product of its (nonzero) digits is 21000, while the sum is 35.

The square root of 151387505 is about 12303.9629794632. The cubic root of 151387505 is about 532.9625302342.

The spelling of 151387505 in words is "one hundred fifty-one million, three hundred eighty-seven thousand, five hundred five".