142191480 has 64 divisors (see below), whose sum is σ = 427491360. Its totient is φ = 37836288.

The previous prime is 142191479. The next prime is 142191503. The reversal of 142191480 is 84191241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72594 + ... + 74526.

Almost surely, 2^142191480 is an apocalyptic number.

142191480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142191480 is an abundant number, since it is smaller than the sum of its proper divisors (285299880).

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

142191480 is a wasteful number, since it uses less digits than its factorization.

142191480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 142191480 is about 11924.4069034900. The cubic root of 142191480 is about 521.9447395297.

The spelling of 142191480 in words is "one hundred forty-two million, one hundred ninety-one thousand, four hundred eighty".