154653397 has 2 divisors, whose sum is σ = 154653398. Its totient is φ = 154653396.

The previous prime is 154653391. The next prime is 154653427. The reversal of 154653397 is 793356451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77898276 + 76755121 = 8826^2 + 8761^2 .

It is a cyclic number.

It is not a de Polignac number, because 154653397 - 2¹⁹ = 154129109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154653391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77326698 + 77326699.

It is an arithmetic number, because the mean of its divisors is an integer number (77326699).

Almost surely, 2^154653397 is an apocalyptic number.

It is an amenable number.

154653397 is a deficient number, since it is larger than the sum of its proper divisors (1).

154653397 is an equidigital number, since it uses as much as digits as its factorization.

154653397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 43.

The square root of 154653397 is about 12435.9718960763. The cubic root of 154653397 is about 536.7678404900.

The spelling of 154653397 in words is "one hundred fifty-four million, six hundred fifty-three thousand, three hundred ninety-seven".