142298450 has 54 divisors (see below), whose sum is σ = 309170223. Its totient is φ = 48585600.

The previous prime is 142298441. The next prime is 142298479. The reversal of 142298450 is 54892241.

142298450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 88378801 + 53919649 = 9401^2 + 7343^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8435.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142298450.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 590330 + ... + 590570.

Almost surely, 2^142298450 is an apocalyptic number.

142298450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142298450 is an abundant number, since it is smaller than the sum of its proper divisors (166871773).

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

142298450 is an equidigital number, since it uses as much as digits as its factorization.

142298450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 142298450 is about 11928.8913986171. The cubic root of 142298450 is about 522.0755922686.

The spelling of 142298450 in words is "one hundred forty-two million, two hundred ninety-eight thousand, four hundred fifty".