151543043 has 4 divisors (see below), whose sum is σ = 151841280. Its totient is φ = 151244808.

The previous prime is 151543037. The next prime is 151543061. The reversal of 151543043 is 340345151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340345151 = 17 ⋅20020303.

It is a cyclic number.

It is not a de Polignac number, because 151543043 - 2¹⁶ = 151477507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151543543) 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, 148355 + ... + 149372.

It is an arithmetic number, because the mean of its divisors is an integer number (37960320).

Almost surely, 2^151543043 is an apocalyptic number.

151543043 is a deficient number, since it is larger than the sum of its proper divisors (298237).

151543043 is an equidigital number, since it uses as much as digits as its factorization.

151543043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298236.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 151543043 is about 12310.2820032686. The cubic root of 151543043 is about 533.1449925686.

Adding to 151543043 its reverse (340345151), we get a palindrome (491888194).

The spelling of 151543043 in words is "one hundred fifty-one million, five hundred forty-three thousand, forty-three".