240155453 has 2 divisors, whose sum is σ = 240155454. Its totient is φ = 240155452.

The previous prime is 240155423. The next prime is 240155479. The reversal of 240155453 is 354551042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122367844 + 117787609 = 11062^2 + 10853^2 .

It is a cyclic number.

It is not a de Polignac number, because 240155453 - 2¹² = 240151357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240155423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120077726 + 120077727.

It is an arithmetic number, because the mean of its divisors is an integer number (120077727).

Almost surely, 2^240155453 is an apocalyptic number.

It is an amenable number.

240155453 is a deficient number, since it is larger than the sum of its proper divisors (1).

240155453 is an equidigital number, since it uses as much as digits as its factorization.

240155453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 240155453 is about 15496.9497966535. The cubic root of 240155453 is about 621.5806468472.

The spelling of 240155453 in words is "two hundred forty million, one hundred fifty-five thousand, four hundred fifty-three".