142475520 has 144 divisors (see below), whose sum is σ = 496544832. Its totient is φ = 34529280.

The previous prime is 142475513. The next prime is 142475527. The reversal of 142475520 is 25574241.

It is an interprime number because it is at equal distance from previous prime (142475513) and next prime (142475527).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142475527) 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, 40554 + ... + 43926.

It is an arithmetic number, because the mean of its divisors is an integer number (3448228).

Almost surely, 2^142475520 is an apocalyptic number.

142475520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142475520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248272416).

142475520 is an abundant number, since it is smaller than the sum of its proper divisors (354069312).

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

142475520 is a wasteful number, since it uses less digits than its factorization.

142475520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408 (or 3394 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 142475520 is about 11936.3109879058. The cubic root of 142475520 is about 522.2920518932.

The spelling of 142475520 in words is "one hundred forty-two million, four hundred seventy-five thousand, five hundred twenty".