151659049 has 4 divisors (see below), whose sum is σ = 151687764. Its totient is φ = 151630336.

The previous prime is 151659019. The next prime is 151659059. The reversal of 151659049 is 940956151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940956151 = 23 ⋅40911137.

It can be written as a sum of positive squares in 2 ways, for example, as 17909824 + 133749225 = 4232^2 + 11565^2 .

It is a cyclic number.

It is not a de Polignac number, because 151659049 - 2⁹ = 151658537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151659019) 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, 3892 + ... + 17845.

It is an arithmetic number, because the mean of its divisors is an integer number (37921941).

Almost surely, 2^151659049 is an apocalyptic number.

It is an amenable number.

151659049 is a deficient number, since it is larger than the sum of its proper divisors (28715).

151659049 is an equidigital number, since it uses as much as digits as its factorization.

151659049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28714.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 151659049 is about 12314.9928542407. The cubic root of 151659049 is about 533.2809984671.

The spelling of 151659049 in words is "one hundred fifty-one million, six hundred fifty-nine thousand, forty-nine".