154072453 has 2 divisors, whose sum is σ = 154072454. Its totient is φ = 154072452.

The previous prime is 154072441. The next prime is 154072459. The reversal of 154072453 is 354270451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94828644 + 59243809 = 9738^2 + 7697^2 .

It is an emirp because it is prime and its reverse (354270451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154072453 - 2²¹ = 151975301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154072459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77036226 + 77036227.

It is an arithmetic number, because the mean of its divisors is an integer number (77036227).

Almost surely, 2^154072453 is an apocalyptic number.

It is an amenable number.

154072453 is a deficient number, since it is larger than the sum of its proper divisors (1).

154072453 is an equidigital number, since it uses as much as digits as its factorization.

154072453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 154072453 is about 12412.5925172786. The cubic root of 154072453 is about 536.0948876435.

The spelling of 154072453 in words is "one hundred fifty-four million, seventy-two thousand, four hundred fifty-three".