154350221145 has 16 divisors (see below), whose sum is σ = 248595856512. Its totient is φ = 81774950400.

The previous prime is 154350221101. The next prime is 154350221159. The reversal of 154350221145 is 541122053451.

It is not a de Polignac number, because 154350221145 - 2¹³ = 154350212953 is a prime.

It is a super-2 number, since 2×154350221145² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34070632 + ... + 34075161.

It is an arithmetic number, because the mean of its divisors is an integer number (15537241032).

Almost surely, 2^154350221145 is an apocalyptic number.

154350221145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154350221145 is a deficient number, since it is larger than the sum of its proper divisors (94245635367).

154350221145 is a wasteful number, since it uses less digits than its factorization.

154350221145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68145952.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 154350221145 its reverse (541122053451), we get a palindrome (695472274596).

The spelling of 154350221145 in words is "one hundred fifty-four billion, three hundred fifty million, two hundred twenty-one thousand, one hundred forty-five".