142494520 has 32 divisors (see below), whose sum is σ = 366415200. Its totient is φ = 48855168.

The previous prime is 142494497. The next prime is 142494523. The reversal of 142494520 is 25494241.

142494520 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 (142494523) 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, 254175 + ... + 254734.

It is an arithmetic number, because the mean of its divisors is an integer number (11450475).

Almost surely, 2^142494520 is an apocalyptic number.

142494520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142494520 is an abundant number, since it is smaller than the sum of its proper divisors (223920680).

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

142494520 is a wasteful number, since it uses less digits than its factorization.

142494520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508927 (or 508923 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 142494520 is about 11937.1068521648. The cubic root of 142494520 is about 522.3152678298.

It can be divided in two parts, 14249 and 4520, that added together give a square (18769 = 137²).

The spelling of 142494520 in words is "one hundred forty-two million, four hundred ninety-four thousand, five hundred twenty".