151147943 has 4 divisors (see below), whose sum is σ = 151188648. Its totient is φ = 151107240.

The previous prime is 151147921. The next prime is 151147949. The reversal of 151147943 is 349741151.

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 151147943 - 2⁸ = 151147687 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 (151147949) 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, 14153 + ... + 22418.

It is an arithmetic number, because the mean of its divisors is an integer number (37797162).

Almost surely, 2^151147943 is an apocalyptic number.

151147943 is a deficient number, since it is larger than the sum of its proper divisors (40705).

151147943 is an equidigital number, since it uses as much as digits as its factorization.

151147943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40704.

The product of its digits is 15120, while the sum is 35.

The square root of 151147943 is about 12294.2239690027. The cubic root of 151147943 is about 532.6812543204.

The spelling of 151147943 in words is "one hundred fifty-one million, one hundred forty-seven thousand, nine hundred forty-three".