146156546997 has 24 divisors (see below), whose sum is σ = 223552733976. Its totient is φ = 91698195456.

The previous prime is 146156546993. The next prime is 146156547001. The reversal of 146156546997 is 799645651641.

146156546997 is a `hidden beast` number, since 1 + 4 + 6 + 1 + 565 + 4 + 69 + 9 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (146156546993) and next prime (146156547001).

It can be written as a sum of positive squares in 4 ways, for example, as 531118116 + 145625428881 = 23046^2 + 381609^2 .

It is not a de Polignac number, because 146156546997 - 2² = 146156546993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146156546993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2116743 + ... + 2184699.

It is an arithmetic number, because the mean of its divisors is an integer number (9314697249).

Almost surely, 2^146156546997 is an apocalyptic number.

146156546997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

146156546997 is a deficient number, since it is larger than the sum of its proper divisors (77396186979).

146156546997 is a wasteful number, since it uses less digits than its factorization.

146156546997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82037 (or 82034 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The spelling of 146156546997 in words is "one hundred forty-six billion, one hundred fifty-six million, five hundred forty-six thousand, nine hundred ninety-seven".