145574330 has 32 divisors (see below), whose sum is σ = 288707328. Its totient is φ = 52408000.

The previous prime is 145574311. The next prime is 145574423. The reversal of 145574330 is 33475541.

145574330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4559 + ... + 17661.

It is an arithmetic number, because the mean of its divisors is an integer number (9022104).

Almost surely, 2^145574330 is an apocalyptic number.

145574330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145574330 is a deficient number, since it is larger than the sum of its proper divisors (143132998).

145574330 is a wasteful number, since it uses less digits than its factorization.

145574330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13222.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 145574330 is about 12065.4187660437. The cubic root of 145574330 is about 526.0515040625.

It can be divided in two parts, 145 and 574330, that added together give a palindrome (574475).

The spelling of 145574330 in words is "one hundred forty-five million, five hundred seventy-four thousand, three hundred thirty".