154290047 has 2 divisors, whose sum is σ = 154290048. Its totient is φ = 154290046.

The previous prime is 154290001. The next prime is 154290077. The reversal of 154290047 is 740092451.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154290047 - 2¹² = 154285951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154289995 and 154290022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154290077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77145023 + 77145024.

It is an arithmetic number, because the mean of its divisors is an integer number (77145024).

Almost surely, 2^154290047 is an apocalyptic number.

154290047 is a deficient number, since it is larger than the sum of its proper divisors (1).

154290047 is an equidigital number, since it uses as much as digits as its factorization.

154290047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 154290047 is about 12421.3544752575. The cubic root of 154290047 is about 536.3471416036.

The spelling of 154290047 in words is "one hundred fifty-four million, two hundred ninety thousand, forty-seven".