2145132154 has 8 divisors (see below), whose sum is σ = 3510216288. Its totient is φ = 975060060.

The previous prime is 2145132127. The next prime is 2145132173. The reversal of 2145132154 is 4512315412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48752982 + ... + 48753025.

It is an arithmetic number, because the mean of its divisors is an integer number (438777036).

Almost surely, 2^2145132154 is an apocalyptic number.

2145132154 is a deficient number, since it is larger than the sum of its proper divisors (1365084134).

2145132154 is a wasteful number, since it uses less digits than its factorization.

2145132154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97506020.

The product of its digits is 4800, while the sum is 28.

The square root of 2145132154 is about 46315.5713988287. The cubic root of 2145132154 is about 1289.6880751338.

Adding to 2145132154 its reverse (4512315412), we get a palindrome (6657447566).

The spelling of 2145132154 in words is "two billion, one hundred forty-five million, one hundred thirty-two thousand, one hundred fifty-four".