1402150144 has 144 divisors (see below), whose sum is σ = 3090528000. Its totient is φ = 632586240.

The previous prime is 1402150133. The next prime is 1402150147. The reversal of 1402150144 is 4410512041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402150147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15754452 + ... + 15754540.

It is an arithmetic number, because the mean of its divisors is an integer number (21462000).

Almost surely, 2^1402150144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402150144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1545264000).

1402150144 is an abundant number, since it is smaller than the sum of its proper divisors (1688377856).

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

1402150144 is an equidigital number, since it uses as much as digits as its factorization.

1402150144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1402150144 is about 37445.2953520199. The cubic root of 1402150144 is about 1119.2613496951.

Adding to 1402150144 its reverse (4410512041), we get a palindrome (5812662185).

The spelling of 1402150144 in words is "one billion, four hundred two million, one hundred fifty thousand, one hundred forty-four".