146320211520157 has 4 divisors (see below), whose sum is σ = 146321041321980. Its totient is φ = 146319381718336.

The previous prime is 146320211520143. The next prime is 146320211520163. The reversal of 146320211520157 is 751025112023641.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11325069095076 + 134995142425081 = 3365274^2 + 11618741^2 .

It is a cyclic number.

It is not a de Polignac number, because 146320211520157 - 2²⁷ = 146320077302429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146320211520127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 414636358 + ... + 414989095.

It is an arithmetic number, because the mean of its divisors is an integer number (36580260330495).

Almost surely, 2^{146320211520157} is an apocalyptic number.

It is an amenable number.

146320211520157 is a deficient number, since it is larger than the sum of its proper divisors (829801823).

146320211520157 is an equidigital number, since it uses as much as digits as its factorization.

146320211520157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829801822.

The product of its (nonzero) digits is 100800, while the sum is 40.

Adding to 146320211520157 its reverse (751025112023641), we get a palindrome (897345323543798).

The spelling of 146320211520157 in words is "one hundred forty-six trillion, three hundred twenty billion, two hundred eleven million, five hundred twenty thousand, one hundred fifty-seven".