151443642 has 64 divisors (see below), whose sum is σ = 368179200. Its totient is φ = 40564800.

The previous prime is 151443641. The next prime is 151443647. The reversal of 151443642 is 246344151.

It is not an unprimeable number, because it can be changed into a prime (151443641) 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 31 ways as a sum of consecutive naturals, for example, 79659 + ... + 81537.

It is an arithmetic number, because the mean of its divisors is an integer number (5752800).

Almost surely, 2^151443642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151443642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184089600).

151443642 is an abundant number, since it is smaller than the sum of its proper divisors (216735558).

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

151443642 is a wasteful number, since it uses less digits than its factorization.

151443642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011.

The product of its digits is 11520, while the sum is 30.

The square root of 151443642 is about 12306.2440248843. The cubic root of 151443642 is about 533.0283992110.

Adding to 151443642 its reverse (246344151), we get a palindrome (397787793).

The spelling of 151443642 in words is "one hundred fifty-one million, four hundred forty-three thousand, six hundred forty-two".