354654143 has 2 divisors, whose sum is σ = 354654144. Its totient is φ = 354654142.

The previous prime is 354654109. The next prime is 354654161. The reversal of 354654143 is 341456453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354654143 - 2¹² = 354650047 is a prime.

It is a super-2 number, since 2×354654143² = 251559122294128898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354654343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177327071 + 177327072.

It is an arithmetic number, because the mean of its divisors is an integer number (177327072).

Almost surely, 2^354654143 is an apocalyptic number.

354654143 is a deficient number, since it is larger than the sum of its proper divisors (1).

354654143 is an equidigital number, since it uses as much as digits as its factorization.

354654143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 35.

The square root of 354654143 is about 18832.2633530864. The cubic root of 354654143 is about 707.8398558655.

The spelling of 354654143 in words is "three hundred fifty-four million, six hundred fifty-four thousand, one hundred forty-three".