145412850 has 48 divisors (see below), whose sum is σ = 393412320. Its totient is φ = 35251200.

The previous prime is 145412821. The next prime is 145412857. The reversal of 145412850 is 58214541.

145412850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145412850² = 42289793890245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (145412857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42415 + ... + 45714.

It is an arithmetic number, because the mean of its divisors is an integer number (8196090).

Almost surely, 2^145412850 is an apocalyptic number.

145412850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145412850 is an abundant number, since it is smaller than the sum of its proper divisors (247999470).

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

145412850 is a wasteful number, since it uses less digits than its factorization.

145412850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88155 (or 88150 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 145412850 is about 12058.7250569867. The cubic root of 145412850 is about 525.8569225369.

It can be divided in two parts, 14541 and 2850, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 145412850 in words is "one hundred forty-five million, four hundred twelve thousand, eight hundred fifty".