151221507414 has 32 divisors (see below), whose sum is σ = 318416417280. Its totient is φ = 47745857952.

The previous prime is 151221507403. The next prime is 151221507419. The reversal of 151221507414 is 414705122151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151221507419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560584 + ... + 785300.

It is an arithmetic number, because the mean of its divisors is an integer number (9950513040).

Almost surely, 2^151221507414 is an apocalyptic number.

151221507414 is an abundant number, since it is smaller than the sum of its proper divisors (167194909866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151221507414 is a wasteful number, since it uses less digits than its factorization.

151221507414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230644.

The product of its (nonzero) digits is 11200, while the sum is 33.

Adding to 151221507414 its reverse (414705122151), we get a palindrome (565926629565).

The spelling of 151221507414 in words is "one hundred fifty-one billion, two hundred twenty-one million, five hundred seven thousand, four hundred fourteen".