154102135451145 has 128 divisors (see below), whose sum is σ = 302255199682560. Its totient is φ = 65480093521920.

The previous prime is 154102135451081. The next prime is 154102135451149. The reversal of 154102135451145 is 541154531201451.

It is not a de Polignac number, because 154102135451145 - 2⁶ = 154102135451081 is a prime.

It is a super-2 number, since 2×154102135451145² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154102135451097 and 154102135451106.

It is not an unprimeable number, because it can be changed into a prime (154102135451149) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25046287 + ... + 30586283.

It is an arithmetic number, because the mean of its divisors is an integer number (2361368747520).

Almost surely, 2^{154102135451145} is an apocalyptic number.

154102135451145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154102135451145 is a deficient number, since it is larger than the sum of its proper divisors (148153064231415).

154102135451145 is a wasteful number, since it uses less digits than its factorization.

154102135451145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540295.

The product of its (nonzero) digits is 240000, while the sum is 42.

Adding to 154102135451145 its reverse (541154531201451), we get a palindrome (695256666652596).

The spelling of 154102135451145 in words is "one hundred fifty-four trillion, one hundred two billion, one hundred thirty-five million, four hundred fifty-one thousand, one hundred forty-five".