151001442 has 64 divisors (see below), whose sum is σ = 346389120. Its totient is φ = 48729600.

The previous prime is 151001387. The next prime is 151001447. The reversal of 151001442 is 244100151.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (151001447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 533433 + ... + 533715.

It is an arithmetic number, because the mean of its divisors is an integer number (5412330).

Almost surely, 2^151001442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151001442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173194560).

151001442 is an abundant number, since it is smaller than the sum of its proper divisors (195387678).

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

151001442 is a wasteful number, since it uses less digits than its factorization.

151001442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 151001442 is about 12288.2644014523. The cubic root of 151001442 is about 532.5090972459.

Adding to 151001442 its reverse (244100151), we get a palindrome (395101593).

The spelling of 151001442 in words is "one hundred fifty-one million, one thousand, four hundred forty-two".