146289021500 has 48 divisors (see below), whose sum is σ = 320632524576. Its totient is φ = 58307312000.

The previous prime is 146289021479. The next prime is 146289021509. The reversal of 146289021500 is 5120982641.

It is a super-2 number, since 2×146289021500² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146289021509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380102 + ... + 661101.

It is an arithmetic number, because the mean of its divisors is an integer number (6679844262).

Almost surely, 2^146289021500 is an apocalyptic number.

146289021500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146289021500 is an abundant number, since it is smaller than the sum of its proper divisors (174343503076).

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

146289021500 is a wasteful number, since it uses less digits than its factorization.

146289021500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041503 (or 1041491 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 146289021500 in words is "one hundred forty-six billion, two hundred eighty-nine million, twenty-one thousand, five hundred".