145047170 has 32 divisors (see below), whose sum is σ = 272878848. Its totient is φ = 55456128.

The previous prime is 145047169. The next prime is 145047173. The reversal of 145047170 is 71740541.

145047170 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145047173) 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, 16622 + ... + 23798.

It is an arithmetic number, because the mean of its divisors is an integer number (8527464).

Almost surely, 2^145047170 is an apocalyptic number.

145047170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145047170 is a deficient number, since it is larger than the sum of its proper divisors (127831678).

145047170 is a wasteful number, since it uses less digits than its factorization.

145047170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 145047170 is about 12043.5530471701. The cubic root of 145047170 is about 525.4157492890.

It can be divided in two parts, 1450471 and 70, that added together give a palindrome (1450541).

The spelling of 145047170 in words is "one hundred forty-five million, forty-seven thousand, one hundred seventy".