151449342 has 128 divisors (see below), whose sum is σ = 373248000. Its totient is φ = 40423680.

The previous prime is 151449341. The next prime is 151449373. The reversal of 151449342 is 243944151.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151449341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1701634 + ... + 1701722.

It is an arithmetic number, because the mean of its divisors is an integer number (2916000).

Almost surely, 2^151449342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151449342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186624000).

151449342 is an abundant number, since it is smaller than the sum of its proper divisors (221798658).

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

151449342 is a wasteful number, since it uses less digits than its factorization.

151449342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206.

The product of its digits is 17280, while the sum is 33.

The square root of 151449342 is about 12306.4756124570. The cubic root of 151449342 is about 533.0350864594.

The spelling of 151449342 in words is "one hundred fifty-one million, four hundred forty-nine thousand, three hundred forty-two".