151551143 has 4 divisors (see below), whose sum is σ = 151579488. Its totient is φ = 151522800.

The previous prime is 151551137. The next prime is 151551161. The reversal of 151551143 is 341155151.

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 151551143 - 2⁶ = 151551079 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 (151551173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3446 + ... + 17747.

It is an arithmetic number, because the mean of its divisors is an integer number (37894872).

Almost surely, 2^151551143 is an apocalyptic number.

151551143 is a deficient number, since it is larger than the sum of its proper divisors (28345).

151551143 is an equidigital number, since it uses as much as digits as its factorization.

151551143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28344.

The product of its digits is 1500, while the sum is 26.

The square root of 151551143 is about 12310.6109921482. The cubic root of 151551143 is about 533.1544912945.

The spelling of 151551143 in words is "one hundred fifty-one million, five hundred fifty-one thousand, one hundred forty-three".