151287943 has 4 divisors (see below), whose sum is σ = 153546040. Its totient is φ = 149029848.

The previous prime is 151287887. The next prime is 151287949. The reversal of 151287943 is 349782151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349782151 = 1153 ⋅303367.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151287943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151287896 and 151287905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151287949) 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, 1128948 + ... + 1129081.

It is an arithmetic number, because the mean of its divisors is an integer number (38386510).

Almost surely, 2^151287943 is an apocalyptic number.

151287943 is a deficient number, since it is larger than the sum of its proper divisors (2258097).

151287943 is an equidigital number, since it uses as much as digits as its factorization.

151287943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258096.

The product of its digits is 60480, while the sum is 40.

The square root of 151287943 is about 12299.9163818296. The cubic root of 151287943 is about 532.8456679868.

The spelling of 151287943 in words is "one hundred fifty-one million, two hundred eighty-seven thousand, nine hundred forty-three".