151601015 has 16 divisors (see below), whose sum is σ = 187888800. Its totient is φ = 117355392.

The previous prime is 151601003. The next prime is 151601017. The reversal of 151601015 is 510106151.

It is a cyclic number.

It is not a de Polignac number, because 151601015 - 2¹² = 151596919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151601017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20201 + ... + 26669.

It is an arithmetic number, because the mean of its divisors is an integer number (11743050).

Almost surely, 2^151601015 is an apocalyptic number.

151601015 is a deficient number, since it is larger than the sum of its proper divisors (36287785).

151601015 is a wasteful number, since it uses less digits than its factorization.

151601015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6626.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 151601015 is about 12312.6363951836. The cubic root of 151601015 is about 533.2129678460.

Adding to 151601015 its reverse (510106151), we get a palindrome (661707166).

The spelling of 151601015 in words is "one hundred fifty-one million, six hundred one thousand, fifteen".