145386850 has 24 divisors (see below), whose sum is σ = 309051648. Its totient is φ = 49846800.

The previous prime is 145386823. The next prime is 145386853. The reversal of 145386850 is 58683541.

It is a super-2 number, since 2×145386850² = 42274672305845000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145386853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207346 + ... + 208045.

It is an arithmetic number, because the mean of its divisors is an integer number (12877152).

Almost surely, 2^145386850 is an apocalyptic number.

145386850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145386850 is an abundant number, since it is smaller than the sum of its proper divisors (163664798).

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

145386850 is a wasteful number, since it uses less digits than its factorization.

145386850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415410 (or 415405 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 145386850 is about 12057.6469512090. The cubic root of 145386850 is about 525.8255793763.

The spelling of 145386850 in words is "one hundred forty-five million, three hundred eighty-six thousand, eight hundred fifty".