147815850 has 288 divisors, whose sum is σ = 490147200. Its totient is φ = 29352960.

The previous prime is 147815831. The next prime is 147815891. The reversal of 147815850 is 58518741.

It is a super-2 number, since 2×147815850² = 43699051022445000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 147815799 and 147815808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8695042 + ... + 8695058.

It is an arithmetic number, because the mean of its divisors is an integer number (1701900).

Almost surely, 2^147815850 is an apocalyptic number.

147815850 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 147815850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245073600).

147815850 is an abundant number, since it is smaller than the sum of its proper divisors (342331350).

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

147815850 is a wasteful number, since it uses less digits than its factorization.

147815850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 39.

The square root of 147815850 is about 12157.9541864575. The cubic root of 147815850 is about 528.7377700059.

The spelling of 147815850 in words is "one hundred forty-seven million, eight hundred fifteen thousand, eight hundred fifty".