151243199 has 4 divisors (see below), whose sum is σ = 151283880. Its totient is φ = 151202520.

The previous prime is 151243163. The next prime is 151243229. The reversal of 151243199 is 991342151.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 151243199 - 2⁸ = 151242943 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 (141243199) 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, 14132 + ... + 22409.

It is an arithmetic number, because the mean of its divisors is an integer number (37820970).

Almost surely, 2^151243199 is an apocalyptic number.

151243199 is a deficient number, since it is larger than the sum of its proper divisors (40681).

151243199 is an equidigital number, since it uses as much as digits as its factorization.

151243199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40680.

The product of its digits is 9720, while the sum is 35.

The square root of 151243199 is about 12298.0973731712. The cubic root of 151243199 is about 532.7931324115.

The spelling of 151243199 in words is "one hundred fifty-one million, two hundred forty-three thousand, one hundred ninety-nine".