145290543 has 16 divisors (see below), whose sum is σ = 197829216. Its totient is φ = 94814720.

The previous prime is 145290533. The next prime is 145290547. The reversal of 145290543 is 345092541.

It is a cyclic number.

It is not a de Polignac number, because 145290543 - 2⁶ = 145290479 is a prime.

It is a super-2 number, since 2×145290543² = 42218683770469698, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145290547) 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, 97363 + ... + 98843.

It is an arithmetic number, because the mean of its divisors is an integer number (12364326).

Almost surely, 2^145290543 is an apocalyptic number.

145290543 is a deficient number, since it is larger than the sum of its proper divisors (52538673).

145290543 is a wasteful number, since it uses less digits than its factorization.

145290543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 145290543 is about 12053.6526829007. The cubic root of 145290543 is about 525.7094481260.

The spelling of 145290543 in words is "one hundred forty-five million, two hundred ninety thousand, five hundred forty-three".