151551243 has 20 divisors (see below), whose sum is σ = 239710680. Its totient is φ = 95090112.

The previous prime is 151551229. The next prime is 151551341. The reversal of 151551243 is 342155151.

It is not a de Polignac number, because 151551243 - 2¹⁰ = 151550219 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (151551203) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53653 + ... + 56406.

It is an arithmetic number, because the mean of its divisors is an integer number (11985534).

Almost surely, 2^151551243 is an apocalyptic number.

151551243 is a deficient number, since it is larger than the sum of its proper divisors (88159437).

151551243 is a wasteful number, since it uses less digits than its factorization.

151551243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110088 (or 110079 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 151551243 is about 12310.6150536844. The cubic root of 151551243 is about 533.1546085606.

The spelling of 151551243 in words is "one hundred fifty-one million, five hundred fifty-one thousand, two hundred forty-three".