145213330 has 16 divisors (see below), whose sum is σ = 261523584. Its totient is φ = 58054320.

The previous prime is 145213319. The next prime is 145213361. The reversal of 145213330 is 33312541.

145213330 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 2×145213330² = 42173822419377800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29335 + ... + 33925.

It is an arithmetic number, because the mean of its divisors is an integer number (16345224).

Almost surely, 2^145213330 is an apocalyptic number.

145213330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145213330 is a deficient number, since it is larger than the sum of its proper divisors (116310254).

145213330 is a wasteful number, since it uses less digits than its factorization.

145213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7761.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 145213330 is about 12050.4493692144. The cubic root of 145213330 is about 525.6163041963.

Adding to 145213330 its reverse (33312541), we get a palindrome (178525871).

The spelling of 145213330 in words is "one hundred forty-five million, two hundred thirteen thousand, three hundred thirty".