145247705701 has 8 divisors (see below), whose sum is σ = 166037967104. Its totient is φ = 124467591600.

The previous prime is 145247705693. The next prime is 145247705749. The reversal of 145247705701 is 107507742541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145247705701 - 2³ = 145247705693 is a prime.

It is a super-2 number, since 2×145247705701² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145247705761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2506125 + ... + 2563426.

It is an arithmetic number, because the mean of its divisors is an integer number (20754745888).

Almost surely, 2^145247705701 is an apocalyptic number.

It is an amenable number.

145247705701 is a deficient number, since it is larger than the sum of its proper divisors (20790261403).

145247705701 is an equidigital number, since it uses as much as digits as its factorization.

145247705701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073651.

The product of its (nonzero) digits is 274400, while the sum is 43.

The spelling of 145247705701 in words is "one hundred forty-five billion, two hundred forty-seven million, seven hundred five thousand, seven hundred one".