145341544 has 32 divisors (see below), whose sum is σ = 281102400. Its totient is φ = 70416640.

The previous prime is 145341503. The next prime is 145341563. The reversal of 145341544 is 445143541.

It is a super-2 number, since 2×145341544² = 42248328824607872, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 31344 + ... + 35680.

It is an arithmetic number, because the mean of its divisors is an integer number (8784450).

Almost surely, 2^145341544 is an apocalyptic number.

It is an amenable number.

145341544 is a deficient number, since it is larger than the sum of its proper divisors (135760856).

145341544 is a wasteful number, since it uses less digits than its factorization.

145341544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473 (or 4469 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 145341544 is about 12055.7680800520. The cubic root of 145341544 is about 525.7709537831.

The spelling of 145341544 in words is "one hundred forty-five million, three hundred forty-one thousand, five hundred forty-four".