151121446 has 8 divisors (see below), whose sum is σ = 259065360. Its totient is φ = 64766328.

The previous prime is 151121429. The next prime is 151121447. The reversal of 151121446 is 644121151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×151121446² = 45675382882261832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151121446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151121447) 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, 5397181 + ... + 5397208.

It is an arithmetic number, because the mean of its divisors is an integer number (32383170).

Almost surely, 2^151121446 is an apocalyptic number.

151121446 is a deficient number, since it is larger than the sum of its proper divisors (107943914).

151121446 is a wasteful number, since it uses less digits than its factorization.

151121446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10794398.

The product of its digits is 960, while the sum is 25.

The square root of 151121446 is about 12293.1463019033. The cubic root of 151121446 is about 532.6501252606.

Adding to 151121446 its reverse (644121151), we get a palindrome (795242597).

The spelling of 151121446 in words is "one hundred fifty-one million, one hundred twenty-one thousand, four hundred forty-six".