151640315 has 4 divisors (see below), whose sum is σ = 181968384. Its totient is φ = 121312248.

The previous prime is 151640303. The next prime is 151640329. The reversal of 151640315 is 513046151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513046151 = 19 ⋅27002429.

It is a cyclic number.

It is not a de Polignac number, because 151640315 - 2⁴ = 151640299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15164027 + ... + 15164036.

It is an arithmetic number, because the mean of its divisors is an integer number (45492096).

Almost surely, 2^151640315 is an apocalyptic number.

151640315 is a deficient number, since it is larger than the sum of its proper divisors (30328069).

151640315 is an equidigital number, since it uses as much as digits as its factorization.

151640315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30328068.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 151640315 is about 12314.2322131751. The cubic root of 151640315 is about 533.2590393474.

Adding to 151640315 its reverse (513046151), we get a palindrome (664686466).

The spelling of 151640315 in words is "one hundred fifty-one million, six hundred forty thousand, three hundred fifteen".