142622550 has 144 divisors (see below), whose sum is σ = 461160960. Its totient is φ = 30870720.

The previous prime is 142622527. The next prime is 142622573. The reversal of 142622550 is 55226241.

It is an interprime number because it is at equal distance from previous prime (142622527) and next prime (142622573).

It is a super-3 number, since 3×142622550³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 58659 + ... + 61041.

Almost surely, 2^142622550 is an apocalyptic number.

142622550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142622550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230580480).

142622550 is an abundant number, since it is smaller than the sum of its proper divisors (318538410).

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

142622550 is a wasteful number, since it uses less digits than its factorization.

142622550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 142622550 is about 11942.4683378270. The cubic root of 142622550 is about 522.4716528046.

Adding to 142622550 its reverse (55226241), we get a palindrome (197848791).

The spelling of 142622550 in words is "one hundred forty-two million, six hundred twenty-two thousand, five hundred fifty".