153105652061749 has 4 divisors (see below), whose sum is σ = 154022452373664. Its totient is φ = 152188851749836.

The previous prime is 153105652061729. The next prime is 153105652061797. The reversal of 153105652061749 is 947160256501351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 153105652061749 - 2⁵ = 153105652061717 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 153105652061749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153105652061729) 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, 458400155707 + ... + 458400156040.

It is an arithmetic number, because the mean of its divisors is an integer number (38505613093416).

Almost surely, 2^{153105652061749} is an apocalyptic number.

It is an amenable number.

153105652061749 is a deficient number, since it is larger than the sum of its proper divisors (916800311915).

153105652061749 is an equidigital number, since it uses as much as digits as its factorization.

153105652061749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916800311914.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 153105652061749 in words is "one hundred fifty-three trillion, one hundred five billion, six hundred fifty-two million, sixty-one thousand, seven hundred forty-nine".