151142857243 has 24 divisors (see below), whose sum is σ = 177777400320. Its totient is φ = 128111734800.

The previous prime is 151142857213. The next prime is 151142857289. The reversal of 151142857243 is 342758241151.

It is a de Polignac number, because none of the positive numbers 2^k-151142857243 is a prime.

It is a super-2 number, since 2×151142857243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151142857243.

It is not an unprimeable number, because it can be changed into a prime (151142857213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3607968 + ... + 3649618.

It is an arithmetic number, because the mean of its divisors is an integer number (7407391680).

Almost surely, 2^151142857243 is an apocalyptic number.

151142857243 is a deficient number, since it is larger than the sum of its proper divisors (26634543077).

151142857243 is a wasteful number, since it uses less digits than its factorization.

151142857243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42487 (or 42480 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The spelling of 151142857243 in words is "one hundred fifty-one billion, one hundred forty-two million, eight hundred fifty-seven thousand, two hundred forty-three".