145764830 has 32 divisors (see below), whose sum is σ = 271356480. Its totient is φ = 56332800.

The previous prime is 145764803. The next prime is 145764833. The reversal of 145764830 is 38467541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145764833) 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 15 ways as a sum of consecutive naturals, for example, 54566 + ... + 57174.

It is an arithmetic number, because the mean of its divisors is an integer number (8479890).

Almost surely, 2^145764830 is an apocalyptic number.

145764830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145764830 is a deficient number, since it is larger than the sum of its proper divisors (125591650).

145764830 is a wasteful number, since it uses less digits than its factorization.

145764830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 145764830 is about 12073.3106478712. The cubic root of 145764830 is about 526.2808694323.

The spelling of 145764830 in words is "one hundred forty-five million, seven hundred sixty-four thousand, eight hundred thirty".