142919163450 has 192 divisors, whose sum is σ = 451451581440. Its totient is φ = 32567832000.

The previous prime is 142919163437. The next prime is 142919163469. The reversal of 142919163450 is 54361919241.

142919163450 is a `hidden beast` number, since 1 + 4 + 2 + 9 + 1 + 9 + 1 + 634 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 142919163396 and 142919163405.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3105105 + ... + 3150795.

It is an arithmetic number, because the mean of its divisors is an integer number (2351310320).

Almost surely, 2^142919163450 is an apocalyptic number.

142919163450 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 142919163450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225725790720).

142919163450 is an abundant number, since it is smaller than the sum of its proper divisors (308532417990).

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

142919163450 is a wasteful number, since it uses less digits than its factorization.

142919163450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46050 (or 46039 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 142919163450 in words is "one hundred forty-two billion, nine hundred nineteen million, one hundred sixty-three thousand, four hundred fifty".