145051434 has 48 divisors (see below), whose sum is σ = 360902880. Its totient is φ = 41640480.

The previous prime is 145051391. The next prime is 145051451. The reversal of 145051434 is 434150541.

It is a happy number.

145051434 is a `hidden beast` number, since 14 + 505 + 143 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 145051398 and 145051407.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15517 + ... + 23040.

It is an arithmetic number, because the mean of its divisors is an integer number (7518810).

Almost surely, 2^145051434 is an apocalyptic number.

145051434 is an abundant number, since it is smaller than the sum of its proper divisors (215851446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145051434 is a wasteful number, since it uses less digits than its factorization.

145051434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38595 (or 38592 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 145051434 is about 12043.7300700406. The cubic root of 145051434 is about 525.4208978459.

The spelling of 145051434 in words is "one hundred forty-five million, fifty-one thousand, four hundred thirty-four".