154102135451210 has 32 divisors (see below), whose sum is σ = 293717339617680. Its totient is φ = 58011603238912.

The previous prime is 154102135451149. The next prime is 154102135451237. The reversal of 154102135451210 is 12154531201451.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13903345380961 + 140198790070249 = 3728719^2 + 11840557^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22942679 + ... + 28888938.

Almost surely, 2^{154102135451210} is an apocalyptic number.

154102135451210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154102135451210 is a deficient number, since it is larger than the sum of its proper divisors (139615204166470).

154102135451210 is a wasteful number, since it uses less digits than its factorization.

154102135451210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51849130.

The product of its (nonzero) digits is 24000, while the sum is 35.

Adding to 154102135451210 its reverse (12154531201451), we get a palindrome (166256666652661).

The spelling of 154102135451210 in words is "one hundred fifty-four trillion, one hundred two billion, one hundred thirty-five million, four hundred fifty-one thousand, two hundred ten".