151049742 has 16 divisors (see below), whose sum is σ = 305091792. Its totient is φ = 49851200.

The previous prime is 151049741. The next prime is 151049747. The reversal of 151049742 is 247940151.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151049741) 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, 124023 + ... + 125234.

It is an arithmetic number, because the mean of its divisors is an integer number (19068237).

Almost surely, 2^151049742 is an apocalyptic number.

151049742 is an abundant number, since it is smaller than the sum of its proper divisors (154042050).

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

151049742 is a wasteful number, since it uses less digits than its factorization.

151049742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249363.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 151049742 is about 12290.2295340649. The cubic root of 151049742 is about 532.5658681112.

Adding to 151049742 its reverse (247940151), we get a palindrome (398989893).

The spelling of 151049742 in words is "one hundred fifty-one million, forty-nine thousand, seven hundred forty-two".