150345074034821 has 4 divisors (see below), whose sum is σ = 153543905397312. Its totient is φ = 147146242672332.

The previous prime is 150345074034787. The next prime is 150345074034907. The reversal of 150345074034821 is 128430470543051.

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 150345074034821 - 2¹⁴ = 150345074018437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 3198831362443 = 150345074034821 / (1 + 5 + 0 + 3 + 4 + 5 + 0 + 7 + 4 + 0 + 3 + 4 + 8 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150345074004821) 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, 1599415681175 + ... + 1599415681268.

It is an arithmetic number, because the mean of its divisors is an integer number (38385976349328).

Almost surely, 2^{150345074034821} is an apocalyptic number.

It is an amenable number.

150345074034821 is a deficient number, since it is larger than the sum of its proper divisors (3198831362491).

150345074034821 is an equidigital number, since it uses as much as digits as its factorization.

150345074034821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198831362490.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 150345074034821 in words is "one hundred fifty trillion, three hundred forty-five billion, seventy-four million, thirty-four thousand, eight hundred twenty-one".