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145490063469 = 399234887301
BaseRepresentation
bin1000011101111111100…
…0100011000001101101
3111220112110020000000020
42013133320203001231
54340430424012334
6150500500552353
713340244064152
oct2073770430155
9456473200006
10145490063469
115677a391083
12242443b26b9
1310948106c6a
14708281a229
153bb7bcbe49
hex21dfe2306d

145490063469 has 8 divisors (see below), whose sum is σ = 194006340192. Its totient is φ = 96983581200.

The previous prime is 145490063441. The next prime is 145490063483. The reversal of 145490063469 is 964360094541.

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

It is not a de Polignac number, because 145490063469 - 29 = 145490062957 is a prime.

It is a super-2 number, since 2×1454900634692 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145490063429) 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, 2413882 + ... + 2473419.

It is an arithmetic number, because the mean of its divisors is an integer number (24250792524).

Almost surely, 2145490063469 is an apocalyptic number.

It is an amenable number.

145490063469 is a deficient number, since it is larger than the sum of its proper divisors (48516276723).

145490063469 is an equidigital number, since it uses as much as digits as its factorization.

145490063469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897227.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 145490063469 in words is "one hundred forty-five billion, four hundred ninety million, sixty-three thousand, four hundred sixty-nine".

Divisors: 1 3 9923 29769 4887301 14661903 48496687823 145490063469