142571475 has 24 divisors (see below), whose sum is σ = 261910320. Its totient is φ = 76037760.

The previous prime is 142571447. The next prime is 142571477. The reversal of 142571475 is 574175241.

142571475 is a `hidden beast` number, since 1 + 42 + 571 + 47 + 5 = 666.

It is not a de Polignac number, because 142571475 - 2¹⁵ = 142538707 is a prime.

It is a super-3 number, since 3×142571475³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (142571477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104934 + ... + 106283.

It is an arithmetic number, because the mean of its divisors is an integer number (10912930).

Almost surely, 2^142571475 is an apocalyptic number.

142571475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142571475 is a deficient number, since it is larger than the sum of its proper divisors (119338845).

142571475 is a wasteful number, since it uses less digits than its factorization.

142571475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211236 (or 211225 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 142571475 is about 11940.3297693154. The cubic root of 142571475 is about 522.4092773814.

It can be divided in two parts, 1425 and 71475, that added together give a square (72900 = 270²).

The spelling of 142571475 in words is "one hundred forty-two million, five hundred seventy-one thousand, four hundred seventy-five".