151244621 has 8 divisors (see below), whose sum is σ = 165736704. Its totient is φ = 136876320.

The previous prime is 151244581. The next prime is 151244627. The reversal of 151244621 is 126442151.

151244621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 151244621 - 2⁶ = 151244557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151244627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28376 + ... + 33281.

It is an arithmetic number, because the mean of its divisors is an integer number (20717088).

Almost surely, 2^151244621 is an apocalyptic number.

151244621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151244621 is a deficient number, since it is larger than the sum of its proper divisors (14492083).

151244621 is a wasteful number, since it uses less digits than its factorization.

151244621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61891.

The product of its digits is 1920, while the sum is 26.

The square root of 151244621 is about 12298.1551868563. The cubic root of 151244621 is about 532.7948021934.

Adding to 151244621 its reverse (126442151), we get a palindrome (277686772).

The spelling of 151244621 in words is "one hundred fifty-one million, two hundred forty-four thousand, six hundred twenty-one".