354897445 has 24 divisors (see below), whose sum is σ = 497614104. Its totient is φ = 242274816.

The previous prime is 354897443. The next prime is 354897463. The reversal of 354897445 is 544798453.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28227969 + 326669476 = 5313^2 + 18074^2 .

It is not a de Polignac number, because 354897445 - 2¹ = 354897443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354897443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53977 + ... + 60193.

It is an arithmetic number, because the mean of its divisors is an integer number (20733921).

Almost surely, 2^354897445 is an apocalyptic number.

354897445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

354897445 is a deficient number, since it is larger than the sum of its proper divisors (142716659).

354897445 is a wasteful number, since it uses less digits than its factorization.

354897445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6469 (or 6462 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The square root of 354897445 is about 18838.7219577125. The cubic root of 354897445 is about 708.0016844045.

The spelling of 354897445 in words is "three hundred fifty-four million, eight hundred ninety-seven thousand, four hundred forty-five".