151238747 has 12 divisors (see below), whose sum is σ = 166590480. Its totient is φ = 137198160.

The previous prime is 151238743. The next prime is 151238767. The reversal of 151238747 is 747832151.

It is not a de Polignac number, because 151238747 - 2² = 151238743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151238747.

It is not an unprimeable number, because it can be changed into a prime (151238743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73154 + ... + 75192.

It is an arithmetic number, because the mean of its divisors is an integer number (13882540).

Almost surely, 2^151238747 is an apocalyptic number.

151238747 is a deficient number, since it is larger than the sum of its proper divisors (15351733).

151238747 is a wasteful number, since it uses less digits than its factorization.

151238747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2663 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 151238747 is about 12297.9163682308. The cubic root of 151238747 is about 532.7879045879.

The spelling of 151238747 in words is "one hundred fifty-one million, two hundred thirty-eight thousand, seven hundred forty-seven".