302154045505149 has 16 divisors (see below), whose sum is σ = 424080240814080. Its totient is φ = 190832159640240.

The previous prime is 302154045505129. The next prime is 302154045505183. The reversal of 302154045505149 is 941505540451203.

It is not a de Polignac number, because 302154045505149 - 2¹⁶ = 302154045439613 is a prime.

It is a super-2 number, since 2×302154045505149² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302154045505098 and 302154045505107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302154045505129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21854157 + ... + 32892434.

It is an arithmetic number, because the mean of its divisors is an integer number (26505015050880).

Almost surely, 2^{302154045505149} is an apocalyptic number.

It is an amenable number.

302154045505149 is a deficient number, since it is larger than the sum of its proper divisors (121926195308931).

302154045505149 is a wasteful number, since it uses less digits than its factorization.

302154045505149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54843440.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 302154045505149 in words is "three hundred two trillion, one hundred fifty-four billion, forty-five million, five hundred five thousand, one hundred forty-nine".