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145040050157 is a prime number
BaseRepresentation
bin1000011100010100001…
…1111000011111101101
3111212101002102221210112
42013011003320133231
54334020223101112
6150344103345405
713323141041042
oct2070503703755
9455332387715
10145040050157
1156569366452
1224139752265
13108a5b041b2
14703cb571c9
153b8d439a22
hex21c50f87ed

145040050157 has 2 divisors, whose sum is σ = 145040050158. Its totient is φ = 145040050156.

The previous prime is 145040050147. The next prime is 145040050187. The reversal of 145040050157 is 751050040541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115728555721 + 29311494436 = 340189^2 + 171206^2 .

It is a cyclic number.

It is not a de Polignac number, because 145040050157 - 28 = 145040049901 is a prime.

It is a super-2 number, since 2×1450400501572 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145040050147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72520025078 + 72520025079.

It is an arithmetic number, because the mean of its divisors is an integer number (72520025079).

Almost surely, 2145040050157 is an apocalyptic number.

It is an amenable number.

145040050157 is a deficient number, since it is larger than the sum of its proper divisors (1).

145040050157 is an equidigital number, since it uses as much as digits as its factorization.

145040050157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 32.

Adding to 145040050157 its reverse (751050040541), we get a palindrome (896090090698).

The spelling of 145040050157 in words is "one hundred forty-five billion, forty million, fifty thousand, one hundred fifty-seven".