152220142 has 16 divisors (see below), whose sum is σ = 242004672. Its totient is φ = 71560960.

The previous prime is 152220121. The next prime is 152220143. The reversal of 152220142 is 241022251.

152220142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152220143) 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, 48843 + ... + 51865.

It is an arithmetic number, because the mean of its divisors is an integer number (15125292).

Almost surely, 2^152220142 is an apocalyptic number.

152220142 is a deficient number, since it is larger than the sum of its proper divisors (89784530).

152220142 is a wasteful number, since it uses less digits than its factorization.

152220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 152220142 is about 12337.7527127107. The cubic root of 152220142 is about 533.9378490044.

Adding to 152220142 its reverse (241022251), we get a palindrome (393242393).

The spelling of 152220142 in words is "one hundred fifty-two million, two hundred twenty thousand, one hundred forty-two".