151340237 has 4 divisors (see below), whose sum is σ = 151381020. Its totient is φ = 151299456.

The previous prime is 151340209. The next prime is 151340261. The reversal of 151340237 is 732043151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72148036 + 79192201 = 8494^2 + 8899^2 .

It is a cyclic number.

It is not a de Polignac number, because 151340237 - 2¹⁸ = 151078093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151342237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14198 + ... + 22455.

It is an arithmetic number, because the mean of its divisors is an integer number (37845255).

Almost surely, 2^151340237 is an apocalyptic number.

It is an amenable number.

151340237 is a deficient number, since it is larger than the sum of its proper divisors (40783).

151340237 is an equidigital number, since it uses as much as digits as its factorization.

151340237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40782.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 151340237 is about 12302.0419849714. The cubic root of 151340237 is about 532.9070551687.

Adding to 151340237 its reverse (732043151), we get a palindrome (883383388).

The spelling of 151340237 in words is "one hundred fifty-one million, three hundred forty thousand, two hundred thirty-seven".