145434556 has 6 divisors (see below), whose sum is σ = 254510480. Its totient is φ = 72717276.

The previous prime is 145434551. The next prime is 145434559. The reversal of 145434556 is 655434541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145434551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18179316 + ... + 18179323.

Almost surely, 2^145434556 is an apocalyptic number.

It is an amenable number.

145434556 is a deficient number, since it is larger than the sum of its proper divisors (109075924).

145434556 is a wasteful number, since it uses less digits than its factorization.

145434556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36358643 (or 36358641 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 145434556 is about 12059.6250356303. The cubic root of 145434556 is about 525.8830863926.

The spelling of 145434556 in words is "one hundred forty-five million, four hundred thirty-four thousand, five hundred fifty-six".