152105142 has 64 divisors (see below), whose sum is σ = 355958784. Its totient is φ = 42435360.

The previous prime is 152105131. The next prime is 152105143. The reversal of 152105142 is 241501251.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152105143) 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, 537333 + ... + 537615.

It is an arithmetic number, because the mean of its divisors is an integer number (5561856).

Almost surely, 2^152105142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152105142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177979392).

152105142 is an abundant number, since it is smaller than the sum of its proper divisors (203853642).

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

152105142 is a wasteful number, since it uses less digits than its factorization.

152105142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 152105142 is about 12333.0913399683. The cubic root of 152105142 is about 533.8033544903.

Adding to 152105142 its reverse (241501251), we get a palindrome (393606393).

The spelling of 152105142 in words is "one hundred fifty-two million, one hundred five thousand, one hundred forty-two".