142627572 has 18 divisors (see below), whose sum is σ = 360530898. Its totient is φ = 47542512.

The previous prime is 142627567. The next prime is 142627591. The reversal of 142627572 is 275726241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 139145616 + 3481956 = 11796^2 + 1866^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×142627572³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3961877 = 142627572 / (1 + 4 + 2 + 6 + 2 + 7 + 5 + 7 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1980903 + ... + 1980974.

Almost surely, 2^142627572 is an apocalyptic number.

142627572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142627572 is an abundant number, since it is smaller than the sum of its proper divisors (217903326).

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

142627572 is a wasteful number, since it uses less digits than its factorization.

142627572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961887 (or 3961882 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 142627572 is about 11942.6785940173. The cubic root of 142627572 is about 522.4777851257.

The spelling of 142627572 in words is "one hundred forty-two million, six hundred twenty-seven thousand, five hundred seventy-two".