145544234 has 32 divisors (see below), whose sum is σ = 243262656. Its totient is φ = 64753920.

The previous prime is 145544233. The next prime is 145544239. The reversal of 145544234 is 432445541.

145544234 = T₇₇ + T₇₈ + ... + T₉₅₅.

It is a self number, because there is not a number n which added to its sum of digits gives 145544234.

It is not an unprimeable number, because it can be changed into a prime (145544233) 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, 431714 + ... + 432050.

It is an arithmetic number, because the mean of its divisors is an integer number (7601958).

Almost surely, 2^145544234 is an apocalyptic number.

145544234 is a deficient number, since it is larger than the sum of its proper divisors (97718422).

145544234 is a wasteful number, since it uses less digits than its factorization.

145544234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710.

The product of its digits is 38400, while the sum is 32.

The square root of 145544234 is about 12064.1715007704. The cubic root of 145544234 is about 526.0152496458.

Adding to 145544234 its reverse (432445541), we get a palindrome (577989775).

The spelling of 145544234 in words is "one hundred forty-five million, five hundred forty-four thousand, two hundred thirty-four".