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145577051 = 2371239373
BaseRepresentation
bin10001010110101…
…01010001011011
3101010221002011122
420223111101123
5244231431201
622240115455
73415245614
oct1053252133
9333832148
10145577051
11751a1214
1240905b8b
1324210989
1415496c0b
15cba8e1b
hex8ad545b

145577051 has 16 divisors (see below), whose sum is σ = 155105280. Its totient is φ = 136345440.

The previous prime is 145577041. The next prime is 145577053. The reversal of 145577051 is 150775541.

145577051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145577051 - 26 = 145576987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145577053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390101 + ... + 390473.

It is an arithmetic number, because the mean of its divisors is an integer number (9694080).

Almost surely, 2145577051 is an apocalyptic number.

145577051 is a deficient number, since it is larger than the sum of its proper divisors (9528229).

145577051 is a wasteful number, since it uses less digits than its factorization.

145577051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706.

The product of its (nonzero) digits is 24500, while the sum is 35.

The square root of 145577051 is about 12065.5315257969. The cubic root of 145577051 is about 526.0547816028.

The spelling of 145577051 in words is "one hundred forty-five million, five hundred seventy-seven thousand, fifty-one".

Divisors: 1 23 71 239 373 1633 5497 8579 16969 26483 89147 390287 609109 2050381 6329437 145577051