146497562501 has 4 divisors (see below), whose sum is σ = 146508033900. Its totient is φ = 146487091104.

The previous prime is 146497562473. The next prime is 146497562531. The reversal of 146497562501 is 105265794641.

It is a Cunningham number, because it is equal to 382750²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105265794641 = 7 ⋅15037970663.

It can be written as a sum of positive squares in 2 ways, for example, as 115538808100 + 30958754401 = 339910^2 + 175951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146497562501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146497562501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146497562531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5214686 + ... + 5242703.

It is an arithmetic number, because the mean of its divisors is an integer number (36627008475).

Almost surely, 2^146497562501 is an apocalyptic number.

It is an amenable number.

146497562501 is a deficient number, since it is larger than the sum of its proper divisors (10471399).

146497562501 is a wasteful number, since it uses less digits than its factorization.

146497562501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10471398.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 146497562501 in words is "one hundred forty-six billion, four hundred ninety-seven million, five hundred sixty-two thousand, five hundred one".