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145204021151 = 728617250413
BaseRepresentation
bin1000011100111011010…
…1011000011110011111
3111212210111222112201022
42013032311120132133
54334334212134101
6150412242034355
713330201546430
oct2071665303637
9455714875638
10145204021151
1156642980272
12241846489bb
1310900a85257
14705683b487
153b9ca28a1b
hex21ced5879f

145204021151 has 8 divisors (see below), whose sum is σ = 166005478944. Its totient is φ = 124417069920.

The previous prime is 145204021139. The next prime is 145204021163. The reversal of 145204021151 is 151120402541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145204021139) and next prime (145204021163).

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 145204021151 - 234 = 128024151967 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 145204021151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145204021181) 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, 3605180 + ... + 3645233.

It is an arithmetic number, because the mean of its divisors is an integer number (20750684868).

Almost surely, 2145204021151 is an apocalyptic number.

145204021151 is a deficient number, since it is larger than the sum of its proper divisors (20801457793).

145204021151 is an equidigital number, since it uses as much as digits as its factorization.

145204021151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253281.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 145204021151 its reverse (151120402541), we get a palindrome (296324423692).

The spelling of 145204021151 in words is "one hundred forty-five billion, two hundred four million, twenty-one thousand, one hundred fifty-one".

Divisors: 1 7 2861 20027 7250413 50752891 20743431593 145204021151