2150454146 has 4 divisors (see below), whose sum is σ = 3225681222. Its totient is φ = 1075227072.

The previous prime is 2150454079. The next prime is 2150454149. The reversal of 2150454146 is 6414540512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1476480625 + 673973521 = 38425^2 + 25961^2 .

It is not an unprimeable number, because it can be changed into a prime (2150454149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537613535 + ... + 537613538.

Almost surely, 2^2150454146 is an apocalyptic number.

2150454146 is a deficient number, since it is larger than the sum of its proper divisors (1075227076).

2150454146 is a wasteful number, since it uses less digits than its factorization.

2150454146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075227075.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 2150454146 is about 46372.9894011589. The cubic root of 2150454146 is about 1290.7537501498.

Adding to 2150454146 its reverse (6414540512), we get a palindrome (8564994658).

The spelling of 2150454146 in words is "two billion, one hundred fifty million, four hundred fifty-four thousand, one hundred forty-six".