145400543 has 2 divisors, whose sum is σ = 145400544. Its totient is φ = 145400542.

The previous prime is 145400477. The next prime is 145400551. The reversal of 145400543 is 345004541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145400543 - 2¹⁰ = 145399519 is a prime.

It is a super-2 number, since 2×145400543² = 42282635809389698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145403543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72700271 + 72700272.

It is an arithmetic number, because the mean of its divisors is an integer number (72700272).

Almost surely, 2^145400543 is an apocalyptic number.

145400543 is a deficient number, since it is larger than the sum of its proper divisors (1).

145400543 is an equidigital number, since it uses as much as digits as its factorization.

145400543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 145400543 is about 12058.2147517781. The cubic root of 145400543 is about 525.8420868381.

The spelling of 145400543 in words is "one hundred forty-five million, four hundred thousand, five hundred forty-three".