151211141 has 4 divisors (see below), whose sum is σ = 160105932. Its totient is φ = 142316352.

The previous prime is 151211117. The next prime is 151211189. The reversal of 151211141 is 141112151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106708900 + 44502241 = 10330^2 + 6671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151211141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 8894773 = 151211141 / (1 + 5 + 1 + 2 + 1 + 1 + 1 + 4 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151211111) 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, 4447370 + ... + 4447403.

It is an arithmetic number, because the mean of its divisors is an integer number (40026483).

Almost surely, 2^151211141 is an apocalyptic number.

It is an amenable number.

151211141 is a deficient number, since it is larger than the sum of its proper divisors (8894791).

151211141 is an equidigital number, since it uses as much as digits as its factorization.

151211141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8894790.

The product of its digits is 40, while the sum is 17.

The square root of 151211141 is about 12296.7939317531. The cubic root of 151211141 is about 532.7554855635.

Adding to 151211141 its reverse (141112151), we get a palindrome (292323292).

The spelling of 151211141 in words is "one hundred fifty-one million, two hundred eleven thousand, one hundred forty-one".