1481212154 has 4 divisors (see below), whose sum is σ = 2221818234. Its totient is φ = 740606076.

The previous prime is 1481212151. The next prime is 1481212163. The reversal of 1481212154 is 4512121841.

It is a happy number.

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., 1385700625 + 95511529 = 37225^2 + 9773^2 .

It is not an unprimeable number, because it can be changed into a prime (1481212151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370303037 + ... + 370303040.

Almost surely, 2^1481212154 is an apocalyptic number.

1481212154 is a deficient number, since it is larger than the sum of its proper divisors (740606080).

1481212154 is an equidigital number, since it uses as much as digits as its factorization.

1481212154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740606079.

The product of its digits is 2560, while the sum is 29.

The square root of 1481212154 is about 38486.5191203361. The cubic root of 1481212154 is about 1139.9148787372.

Adding to 1481212154 its reverse (4512121841), we get a palindrome (5993333995).

The spelling of 1481212154 in words is "one billion, four hundred eighty-one million, two hundred twelve thousand, one hundred fifty-four".