1506551050145 has 8 divisors (see below), whose sum is σ = 1808735057640. Its totient is φ = 1204658308480.

The previous prime is 1506551050079. The next prime is 1506551050157. The reversal of 1506551050145 is 5410501556051.

It can be written as a sum of positive squares in 4 ways, for example, as 26815045009 + 1479736005136 = 163753^2 + 1216444^2 .

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

It is not a de Polignac number, because 1506551050145 - 2¹⁴ = 1506551033761 is a prime.

It is a super-4 number, since 4×1506551050145⁴ (a number of 50 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1506551050099 and 1506551050108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72805076 + ... + 72825765.

It is an arithmetic number, because the mean of its divisors is an integer number (226091882205).

Almost surely, 2^{1506551050145} is an apocalyptic number.

It is an amenable number.

1506551050145 is a deficient number, since it is larger than the sum of its proper divisors (302184007495).

1506551050145 is a wasteful number, since it uses less digits than its factorization.

1506551050145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145632915.

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 1506551050145 in words is "one trillion, five hundred six billion, five hundred fifty-one million, fifty thousand, one hundred forty-five".