142512550 has 12 divisors (see below), whose sum is σ = 265073436. Its totient is φ = 57005000.

The previous prime is 142512533. The next prime is 142512607. The reversal of 142512550 is 55215241.

142512550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 1425076 + ... + 1425175.

It is an arithmetic number, because the mean of its divisors is an integer number (22089453).

Almost surely, 2^142512550 is an apocalyptic number.

142512550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142512550 is a deficient number, since it is larger than the sum of its proper divisors (122560886).

142512550 is a wasteful number, since it uses less digits than its factorization.

142512550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850263 (or 2850258 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 142512550 is about 11937.8620363950. The cubic root of 142512550 is about 522.3372966234.

Adding to 142512550 its reverse (55215241), we get a palindrome (197727791).

The spelling of 142512550 in words is "one hundred forty-two million, five hundred twelve thousand, five hundred fifty".