146899998 has 24 divisors (see below), whose sum is σ = 363752688. Its totient is φ = 41971392.

The previous prime is 146899981. The next prime is 146899999. The reversal of 146899998 is 899998641.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146899999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582811 + ... + 583062.

It is an arithmetic number, because the mean of its divisors is an integer number (15156362).

Almost surely, 2^146899998 is an apocalyptic number.

146899998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

146899998 is an abundant number, since it is smaller than the sum of its proper divisors (216852690).

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

146899998 is a wasteful number, since it uses less digits than its factorization.

146899998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165888 (or 1165885 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 63.

The square root of 146899998 is about 12120.2309383939. The cubic root of 146899998 is about 527.6435050516.

The spelling of 146899998 in words is "one hundred forty-six million, eight hundred ninety-nine thousand, nine hundred ninety-eight".