355143450 has 48 divisors (see below), whose sum is σ = 901254816. Its totient is φ = 92500800.

The previous prime is 355143449. The next prime is 355143457. The reversal of 355143450 is 54341553.

It is a super-2 number, since 2×355143450² = 252253740155805000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (355143457) 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, 21081 + ... + 33980.

It is an arithmetic number, because the mean of its divisors is an integer number (18776142).

Almost surely, 2^355143450 is an apocalyptic number.

355143450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

355143450 is an abundant number, since it is smaller than the sum of its proper divisors (546111366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

355143450 is a wasteful number, since it uses less digits than its factorization.

355143450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55119 (or 55114 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 355143450 is about 18845.2500646715. The cubic root of 355143450 is about 708.1652356206.

The spelling of 355143450 in words is "three hundred fifty-five million, one hundred forty-three thousand, four hundred fifty".